related to atoms, the smallest units of matter, including their structure, properties, and interactions
원자
the physical property in matter that causes it to experience a force in an electromagnetic field
전하(전자)
(physics) the degree to which a substance is compacted, measured by dividing its mass by its volume
밀도
(physics) the universal force of attraction between any pair of objects with mass
지구의 중력
(physics) any of the smallest units that energy or matter consists of, such as electrons, atoms, molecules, etc.
입자
the chemical processes through which food is changed into energy for the body to use
대사
(biology) the slow and gradual development of living things throughout the history of the earth
진화
(biology) a change in the structure of the genes of an individual that causes them to develop different physical features
돌연 변이
an unhatched or unborn offspring in the process of development, especially a human offspring roughly from the second to the eighth week after fertilization
태아
a cell or a group of cells created through a natural or artificial process from a source that they are genetically identical to
생물학적 클론
something that triggers a reaction in various areas like psychology or physiology
자극(생리)
a water-soluble chemical substance that contains Hydrogen and has a sour taste or corrosive feature with a PH less than 7
산성 물질
a light silver-gray metal used primarily for making cooking equipment and aircraft parts
알류미늄
a metallic chemical element that has a red-brown color, primarily used as a conductor in wiring
구리
a heavy soft metal, used in making bullets, in plumbing and roofing, especially in the past
리드
the different elements that form something or the arrangement of these elements
구성 (화학)
a device that produces a powerful and concentrated beam of light that can be used in medical procedures, for cutting metal objects, etc.
레이저 장치
an object that produces an invisible field capable of attracting certain metals without physical contact
자석
related to heat or temperature, including how heat moves, how materials expand with temperature changes, and the energy stored in heat
열의
a machine that produces electricity by converting mechanical energy into electrical energy
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