원자들이 결합하여 이루어진, 화학 반응에 참여할 수 있는 화합물의 가장 작은 기본 단위.
A group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
예문:
"Water is a simple molecule composed of two hydrogen atoms and one oxygen atom."
"The scientist used a powerful microscope to observe the structure of the protein molecule."
"When ice melts, the water molecules move further apart but remain bonded."
아주 작은 입자나 극히 미미한 양.
A very small particle or a tiny amount of something; a trace.
예문:
"There wasn't a molecule of doubt in her mind about the decision."
"He claimed that the air pollution contained not a single molecule of harmful contaminants."
"Even a molecule of dust can interfere with the sensitive electronic equipment."