Advanced Academic IELTS Words for "Chemistry"

solute

noun

s

o

ɑ

l

u

ju

t

e

Close

Sign in

a substance that is dissolved in a solvent, resulting in a solution

Example

Click on words

In saltwater, salt (NaCl) is the solute that dissolves in water, the solvent.

When sugar (sucrose) is added to coffee, sugar serves as the solute that dissolves in the coffee, the solvent.

reactant

noun

r

ea

ɪæ

c

k

t

a

ə

n

t

a substance that takes part in and undergoes a chemical reaction, leading to the formation of new products

catalyst

noun

c

k

a

æ

t

a

ə

l

y

ə

s

t

(chemistry) a substance that causes a chemical reaction to happen at a faster rate without undergoing any chemical change itself

anticatalyst

catalysis

noun

c

k

a

æ

t

a

æ

l

y

ə

s

i

ɪ

s

the acceleration or facilitation of a chemical reaction by a substance (catalyst) that remains unchanged at the end of the reaction

Grammatical Information:

Plural form

catalyses

covalent bond

noun

/kˈoʊveɪlənt bˈɑːnd/

a chemical bond where atoms share electrons to form a stable molecule

Grammatical Information:

compound noun

isomer

noun

i

aɪ

s

o

ə

m

e

ɜ

r

any of two or more compounds having the same molecular formula but different arrangements of atoms and, consequently, different properties

polymer

noun

p

o

ɑ

l

y

ə

m

e

ɜ

r

a large molecule composed of repeating structural units, or monomers, covalently bonded together in a chain-like structure

monomer

noun

m

o

ɑ

n

o

ə

m

e

ɜ

r

a molecule that can chemically bond with other molecules to form a polymer

hydrocarbon

noun

h

y

aɪ

d

r

o

oʊ

c

k

a

ɑ

r

b

o

ə

n

a compound composed of hydrogen and carbon atoms, with the simplest form being alkanes, alkenes, or alkynes

ester

noun

e

ɛ

s

t

e

ɜ

r

a chemical compound derived from the reaction between an alcohol and an organic acid, typically with the elimination of water

aldehyde

noun

a

æ

l

d

e

ɪ

h

y

aɪ

d

e

an organic compound with a carbonyl group (C=O) bonded to a hydrogen atom and another carbon atom, commonly found in essential oils and used in various chemical processes

alcohol

noun

a

æ

l

c

k

o

ə

h

o

ɑ

l

a compound with a hydroxyl group (-OH) attached to a carbon atom, widely used as solvents, fuels, and in pharmaceutical and chemical synthesis

ketone

noun

k

e

i

t

o

oʊ

n

e

an organic compound with a carbonyl group (C=O) bonded to two carbon atoms, commonly found in solvents, pharmaceuticals, and flavorings

oxidation-reduction

noun

/ˌɑːksɪdˈeɪʃənɹɪdˈʌkʃən/

a chemical reaction where electrons are transferred between substances

molarity

noun

m

o

oʊ

l

a

æ

r

i

ɪ

t

y

i

the concentration of a solute in a solution, measured in moles per liter (mol/L or M)

electrolyte

noun

e

ɪ

l

e

ɛ

c

k

t

r

o

ɑ

l

y

aɪ

t

e

a substance that, when dissolved in a solution, produces ions and enables the conduction of electric current

enthalpy

noun

e

ɛ

n

th

θ

a

æ

l

p

y

i

a thermodynamic quantity representing the total heat content of a system, commonly denoted as H

entropy

noun

e

ɛ

n

t

r

o

ə

p

y

i

a thermodynamic measure of the degree of disorder or randomness in a system, denoted by S

colloid

noun

c

k

o

ɑ

ll

l

oi

ɔɪ

d

a mixture where small particles of one substance are evenly dispersed in another substance, typically intermediate in size between solution and suspension particles

corrosion

noun

c

k

o

ɜ

rr

r

o

oʊ

s

ʒ

io

ə

n

the gradual destruction of materials by chemical reaction, usually of metals

alkali

noun

a

æ

l

k

a

ə

l

i

aɪ

any substance with a pH of more than seven that neutralizes acids creating salt and water

Congratulations! !

You learned 21 words from Talking about Chemistry. To improve learning and review vocabulary, start practicing.

Review

Flashcards

Spelling

Quiz