TOEFL 어휘

separate liquid components by vaporization and condensation

증류하다

separation using differences in volatility

증류; 증류법

resistant to damage or wear over time

내구성이 있는; 오래가는

able to recover shape after force is removed

탄성이 있는; 탄성의

negatively charged particle in atomic structure

전자

chemical type defined by number of protons

원소; 홑원소 물질

absorbing heat from the surroundings

흡열의; 열을 흡수하는

releasing heat to the surroundings

발열성의; 열을 방출하는

separate particles using a porous barrier

여과하다; 거르다

separation by passing fluid through barrier

여과; 여과법

capable of igniting and burning readily

인화성의; 불이 잘 붙는

laboratory vessel with body and narrow neck

플라스크

able to bend without breaking easily

유연한; 잘 휘어지는

ventilated enclosure limiting exposure to airborne hazards

흄 후드; 실험실 배기장치

state expanding to fill available container

기체

narrow marked vessel for measuring liquid volume

눈금실린더; 메스실린더

resistance to scratching or indentation

경도

energy movement driven by temperature difference

열전달

not dissolving to an appreciable extent

녹지 않는; 불용성의; 난용성의

atom or group with net electrical charge

이온

electrostatic attraction between oppositely charged ions

이온 결합

form of element with particular neutron number

동위원소

protective outer garment for laboratory work

실험복

flowing state with definite volume

액체

physical material with mass and volume

물질

equilibrium temperature for solid liquid transition

녹는점; 융점

curved liquid surface near container wall

메니스커스; 액체 표면의 굽은 부분

material or element with metallic properties

금속

combination of substances without fixed chemical ratio

혼합물