aeon
/ˈiːɑːn/
nounan endless or lengthy period of time
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Examples
1. The process takes aeons.
2. The titular Aeon is an assassin, locked in eternal war between the anarchic country of Monica and the ruthlessly ordered nation of Bregna.
3. Indeed, Aeon looks startlingly natural when placed beside Tommy Pickles and cartoons like The Wild Thornberrys that carried on its aesthetic legacy.
4. Faced with losing his life, the poor wretch recognises that every minute could be turned into aeons of time, with sufficient imagination and appreciation.
5. To counter our tendencies to exaggerate and panic, we need to meditate on our utter insignificance when measured against aeons of time and space.
perpetual
/pɝˈpɛtʃuəɫ/
adjectivecontinuing uninterrupted that seems to last forever
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Examples
1. A million miles away, the Dscovr spacecraft faces perpetual noon.
2. The assets were divisible, transferable, perpetual.
3. The law is perpetual transmutation of energy.
4. You get perpetual nighttime.
5. And the result is sort of gratifyingly perpetual.
spasmodic
/spæzˈmɔdɪk/
adjectiveoccurring in spells and often abruptly
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Examples
1. A civil war, as my colleague David Armitage has recently and brilliantly explained, is in many ways cast is the opposite of a revolution, an expression of spasmodic violence with unpredictable and usually negative consequences, distinctly unprogressive, unrighteous, a slipping backwards into atavism and barbarism, rather than a new beginning.
2. I think that coherent philosophy that he had was you know unifying for people and in the absence of such a philosophy you have which I said in the introduction to the book you have vague emotions and spasmodic impulses.
3. The novelist, Anthony Trollope once said, a small daily task, if it be really daily, will beat the labors of a spasmodic Hercules.
4. Throughout continental Europe, and indeed in Scotland also, the result of these beliefs was that the main driving force behind the spasmodic witch hunts which can be found in the period was probably religious zeal, and the great witch hunts which would be found scattered across Europe died back only when the judges came to doubt the reality of that stereotype of the witch and came to doubt the notion that witchcraft was an organized cult threatening to Christian society.
5. half shrieked Ligeia, leaping to her feet and extending her arms aloft with a spasmodic movement, as I made an end of these lines—"O God!
solstice
/ˈsɔɫstɪs/
nouneither of the two times of the year when the sun reaches its farthest or closest distance from the equator
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Examples
1. The next stage of Stonehenge's turbulent history is just a solstice away.
2. Long ago, our ancestors celebrated the birth of the sun god during winter solstice.
3. The word solstice comes from Latin
4. They take solstice very seriously.
5. The summer solstice is about June 21.
bicentenary
/baɪˈsɛntɪˌnɛɹi/
nounthe 200th anniversary (or the celebration of it)
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Examples
1. This bicentenary coincides with another important milestone.
2. And it's the Bicentenary of Charles Darwin.
centenary
/ˈsɛntəˌnɛɹi/
nounthe 100th anniversary (or the celebration of it)
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Examples
1. I Centenary is just so hot right now, I can't miss out on it.
2. And when I spoke at the centenary, I asked my friends from Germany, they actually reconstructed it and put it in a computer.
3. And, so, in 1889, the year of the centenary of the French Revolution, here is the Czar of Russia showing up in Paris and being welcomed enthusiastically.
4. I know all this because the commemoration of the centenary has just taken place.
5. Emmanuel Macron marked the centenary of the end of the first world war with a tour of the battlegrounds on which the war was fought.
diurnal
/daɪˈɝnəɫ/
adjectivehaving a daily cycle or occurring every day
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Examples
1. A second species of termite avoids these diurnal dangers by staying indoors.
2. And the bearded dragon is a diurnal species.
3. These are actually diurnal lizards who are probably catching him just as he is headed up into the trees for the night.
4. Remember the wind aloft doesn't feel the diurnal cycle very much.
5. There's a bit of a diurnal cycle in temperature.
epoch
/ˈɛpək/, /ˈipək/
nouna unit of geological time that is a subdivision of a period and is itself divided into ages
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Examples
1. What is an epoch?
2. Previous geological epochs were defined by, say, continental drift or a great ice age.
3. A new epoch will open in world history.
4. During the Pleistocene epoch, the mega beasts dominated the four corners of the earth from North America to New Zealand.
5. And a conjunction, brings about an epoch shift.
equinox
/ˈikwəˌnɑks/
nouneither of two times of the year when the sun crosses the plane of the earth's equator and day and night are of equal length
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Examples
1. The spring equinox happens around March 21.
2. The equinoxes: the day when there’s equal day and night.
3. He went into Equinox?
4. These days are called equinoxes - from the Latin
5. The equinoxes signal a change in seasons.
to elapse
/ɪˈɫæps/
verb(of time) to pass by
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Examples
1. About six hours have elapsed since the X7 began in the body shop.
2. Now, by the way, about four minutes has elapsed here.
3. The elapsed time between events depends on the motion of the observer.
4. Not, until the term of the elected President shall elapse.
5. Long years have since elapsed, and my memory is feeble through much suffering.
millennial
/mɪˈɫɛniəɫ/
adjectivemarking or denoting a time span of a thousand years
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Examples
1. Millennials have less financial confidence than the generation before us.
2. And millennials now pay over 45% of their pre-tax income on housing costs alone!
3. Millennials love texting.
4. Millennials eat nuggets.
5. Millennials play a mean zero-sum game.
GMT
/dʒˌiːˌɛmtˈiː/
nounthe time as measured at Greenwich, London, on the line of 0° longitude, used to calculate the time across the globe
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Examples
1. The GMT face shows multiple time zones at once and takes into account where you are.
2. The GMT face shows multiple time zones at once and takes into account where you are.
3. So, it has a 24-hour movement, just like a GMT.
4. So the system of time was based from Greenwich Mean Time or GMT.
5. So the system of time was based from Greenwich Mean Time or GMT.
eventual
/əˈvɛntʃuəɫ/, /iˈvɛntʃuəɫ/
adjectivehappening at the end of a process or a particular period of time
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Examples
1. For that matter, so did eventual peers John D. Rockefeller, Andrew Carnegie, Jay Gould, and James Mellon.
2. But an incredibly rocky path came before Rowling's eventual success.
3. The costly damage contributed to the eventual cancellation of the scheme.
4. So obviously the underlying tone in this type of a style of relationship is eventual demise.
5. In addition to Pitt, and Courteney Cox's eventual husband David Arquette, Matthew Perry's father John Bennett Perry made a brief cameo in Season 4.
in due course
/ɪn dˈuː kˈoːɹs/
adverbat the appropriate time
Examples
to wane
/ˈweɪn/
verb(of the moon) have a progressively less significant part of its seeable surface illuminated so that it seems to reduce in size
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Examples
1. His second term, his power really waned.
2. My confidence is waning.
3. My confidence is waning.
4. My confidence is waning.
5. Still, his competitive spirit never waned.
twilight
/ˈtwaɪˌɫaɪt/
nounthe time in the evening when the sun is below the horizon
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Examples
1. Twilight turns this beam directly on Dding.
2. Is this Twilight?
3. - Here's the Twilight book.
4. It's twilight.
5. Its rapid surge was all thanks to Twilight.
stratospheric
/ˌstɹætəsˈfɪɹɪk/
adjective*** (specialist) in the layer of the earth's atmosphere between about 10 and 50 kilometres above the surface of the earth
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Examples
1. The process is called stratospheric aerosol injection.
2. It was a stratospheric cocktail party.
3. And then the other problem is stratospheric ozone.
4. We'll do the stratospheric ozone problem.
5. And one solution in the middle of that spectrum is stratospheric aerosol injection.
space-time
/ˈspeɪˌstaɪm/
nounthe Theory that adds the notion of time to that of a three-dimensional space
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Examples
1. So philosophers call them space-time worms.
2. Together, they form a space-time continuum.
3. Together, they're space-time.
4. Space-time remains flat.
5. So, this is space-time.
orbital
/ˈɔɹbətəɫ/
adjectiveof or relating to an orbit
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Examples
1. We call these regions "orbitals."
2. What's an orbital?
3. An orbital is a one-electron wave function.
4. Orbitals are a fiction, except for one-electron problems.
5. The plus charge will lower orbitals.
nebula
/ˈnɛbjəɫə/
nouna massive cloud of gas and dust in deep space that often appears very bright and can be seen in the sky at night
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Examples
1. We are as much the universe as a neutron star or a black hole or a nebula.
2. Nebula features lots of YouTube's top educationalist creators like Lindsay Ellis, Thomas Frank, and Charl the Coconut the coconut with his sidekick Patrick Willems.
3. Nebula features lots of YouTube's top educational-ish creators, like our newest additions, Adam Neely, Charles Cornell, and Mary Spender.
4. Nebula features lots of YouTube's top educational-ish creators, like Thomas Frank, Knowing Better, Hbomberguy, and TierZoo, as well as tons of others.
5. Nebula features lots of YouTube's top educational creators, like Knowing Better, Hbomberguy, Real Engineering, Tier Zoo, and tons of others.
umbra
/ˈəmbɹə/
nouna region of complete shadow resulting from total obstruction of light
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Examples
1. When the umbra touches the Earth, we get a total solar eclipse.
2. The umbra is gone, but you’re still in the penumbral shadow.
3. Finally, the Moon starts to enter the Earth’s umbra, and the real eclipse begins.
4. A lunar eclipse, also a rare event, is the exact opposite of a solar eclipse, when the moon goes directly behind the Earth, into the umbra.
5. In a typical total solar eclipse, the umbra moves across the globe from west to east, lasting only about 7.5 minutes.
to wax
/ˈwæks/
verb(of the moon) to progressively display a larger illuminated section until it turns into a full moon
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Examples
1. She quickly puts some wax on the scales.
2. Paraffin wax is a common wax made from petroleum.
3. Paraffin wax is a common wax made from petroleum.
4. When the lamp is off, the wax is slightly denser than the liquid around it.
5. - I'm about to get my chest waxed.
meteoroid
/mˈiːɾɪˌoːɹɔɪd/
nouna small celestial body that becomes visible as a meteor upon entrance into the atmosphere of the earth
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Examples
1. A meteoroid is a small piece of comet or asteroid.
2. On meteoroids, or comets or other bodies originating in the outer solar system.
3. So it's meteoroid, meteor, meteorite.
4. Luckily, most meteoroids burn up before they reach the ground.
5. Like a meteoroid hit that mother effer and he gone.
meteorite
/ˈmitiɔˌɹaɪt/
nouna piece of rock or metal from space that has hit the surface of the earth
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Examples
1. Yay meteorites and?
2. Most meteorites have the metal iron in them.
3. Most meteorites are still pretty small
4. Number three: meteorite sells for €14000.
5. Meteorites can fetch serious money.
meteor
/ˈmitiɝ/
nouna piece of rock coming from outer space that passes through the Earth's atmosphere, producing light
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Examples
1. I already punched meteor back into space.
2. Meteor showers aren’t dangerous.
3. But meteors aren’t stars at all!
4. We have a meteor.
5. Every meteor strike would push a part of the sphere toward the star.
magnetic storm
/mæɡnˈɛɾɪk stˈoːɹm/
nouna sudden disturbance of the earth's magnetic field; caused by emission of particles from the sun
Examples
intergalactic
/ˌɪntɚɡɐlˈæktɪk/
adjectivebetween or among galaxies
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Examples
1. You violate intergalactic space!
2. Curse you, intergalactic grammatics!
3. Think flamethrowers, watchtowers, and intergalactic operations as all part of the picture.
4. It’s an intergalactic masterpiece!
5. What secrets could our intergalactic friends share?
interplanetary
/ˌɪntɝˈpɫænəˌtɛɹi/
adjectivebetween or among planets
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Examples
1. So IKAROS means interplanetary kite-craft acceleration.
2. The Moon could be an interplanetary gas station!
3. You can find Delta V maps for real interplanetary travel pretty much anywhere on the internet.
4. It’s a kind of interplanetary pool.
5. It's an interplanetary journey.
interstellar
/ˌɪntɝˈstɛɫɝ/
adjectivebetween or among stars
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Examples
1. "Interstellar" has a fascinating history of birth.
2. So interstellar telegrams are cheap.
3. Docking a spacecraft, "Interstellar."
4. Every now and then, a random interstellar asteroid passes through the Oort cloud, the wall of icy debris at the very edge of our Solar System.
5. The probes reached interstellar space in 2012.
hyperspace
/ˌhaɪpɝˈspeɪs/
noun(specialist) space that consists of more than three dimensions
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Examples
1. Black holes might be suitable for hyperspace travel after all.
2. I know they say hyperspace
3. The throttle is a hyperspace button.
4. [Woman] Which franchise uses hyperspace travel? - Ding-a-ling-a-ling!
5. [Woman] I said hyperspace.
extraterrestrial
/ˌɛkstɹətɝˈɛstɹiəɫ/
adjectiveoriginating or located or occurring outside Earth or its atmosphere
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Examples
1. Gold is extraterrestrial.
2. Extraterrestrial beings inhabit this place.
3. The pod people infiltrators and Audrey 2 are all extraterrestrial threats.
4. For my trippers, extraterrestrial life provides some reassuring answers.
5. First extraterrestrials could be simple bacteria.
exoplanet
/ɛɡzˈɑːplɐnˌɛt/
nounextrasolar planet; a planet that is outside the solar system
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Examples
1. Super-Earths are exoplanets more massive than Earth and less massive than a planet like Uranus or Neptune.
2. Exoplanets provide the staging ground for colonial encounters.
3. Lava planets are exoplanets.
4. An exoplanet is a planet outside our Solar System.
5. So, observing exoplanets.
dark matter
/dˈɑːɹk mˈæɾɚ/
noun(physics) material existing in space that reflects no light, based on some theories
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Examples
1. Physicists believe that rope is the gravitational force from stuff we can't see - hence, Dark Matter.
2. Recently I listened to an absolutely amazing Sci-fi thriller called Dark Matter by Blake Crouch.
3. And they could be a part of Dark Matter, component of dark matter.
4. Inspired by these existing questions about the milky way, I’m working on the Dark Matter quiz.
5. I recommend checking out "The Hunt for Dark Matter."
cosmic dust
/kˈɑːzmɪk dˈʌst/
nounclouds of particles or gases occurring throughout interstellar space
Examples
corona
/kɝˈoʊnə/
nounthe outermost region of the sun's atmosphere; visible as a white halo during a solar eclipse
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Examples
1. Excuse me sir, my name is corona.
2. - She definitely has corona?
3. - I did get corona.
4. So, the name of the virus and the beer is 'Corona'.
5. Forget corona.
comet
/ˈkɑmət/
nounan object in space that is a mass of ice and dust and when it nears the sun it starts illuminating in the shape of a tail
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Examples
1. Comets are big, apparently.
2. But comets have tails.
3. Today's word is comet.
4. Comets are a tougher act.
5. Comets are very much like asteroids.
aurora australis
/ɐɹˈoːɹə ɔːstɹˈɑːliz/
nounthe colored lights, mainly green and red, in the sky seen primarily near the southern magnetic pole
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Examples
1. That’s what’s happening when you see the Northern and Southern Lights, or the Aurora Borealis and Aurora Australis, respectively.
2. There they are called the Aurora australis.
aurora borealis
/ɐɹˈoːɹə bˌoːɹɪˈælɪs/
nounthe colored lights, mainly green and red, in the sky seen primarily near the northern magnetic pole
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Examples
1. In the late 1800s his home was the magnetic north pole centered under the aurora borealis.
2. This spectacle is called aurora borealis or the Northern Lights, mostly seen in the vicinity of the poles of our planet.
3. These lights in the sky are called the Aurora Borealis or the Northern Lights.
4. He was the one who named the Aurora Borealis.
5. As a result, the blanket of darkness may be disrupted by the aurora borealis, or the Northern Lights.
constellation
/ˌkɑnstəˈɫeɪʃən/
nouna specific group of stars that form a pattern and have a name related to their shape
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Examples
1. The dead serpent’s remains became the Hydra constellation.
2. We have a whole constellation of interactions in a cell.
3. And everyone-- we all have our different constellations.
4. Satellite constellations are not the only inhabitants of Earth’s orbit.
5. Constellation pumpkins.
biosphere
/ˈbaɪoʊsˌfɪɹ/
nounthe regions of the surface and atmosphere of the Earth (or other planet) where living organisms exist
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Examples
1. What is the biosphere?
2. Biosphere 1 is Earth.
3. The Earth’s biosphere is technically a closed system.
4. So the connection here is primarily to the biosphere.
5. The biosphere is the size of the Earth.