molecule

英 [ˈmɒlɪkjuːl]

美 [ˈmɑːlɪkjuːl]

n. 分子

复数：molecules　

Collins.3 / BNC.3266 / COCA.4785

牛津词典

noun

分子
the smallest unit, consisting of a group of atoms, into which a substance can be divided without a change in its chemical nature
1. A molecule of water consists of two atoms of hydrogen and one atom of oxygen.
  水分子由两个氢原子和一个氧原子构成。

N-COUNT 分子
Amoleculeis the smallest amount of a chemical substance which can exist by itself.
1. ...the hydrogen bonds between water molecules.
  水分子间的氢键

noun

(nontechnical usage) a tiny piece of anything
Synonym:atomparticlecorpusclemotespeck
(physics and chemistry) the simplest structural unit of an element or compound

Instrumental analysis can be divided into elemental analysis and compound and molecule specific analysis.
仪器分析可分为元素分析和化合物及分子分析。
It's a small organic molecule.
这是一个小的有机分子。
A molecule of an element consists of one or more atoms.
元素的分子含有一个或几个原子。
A chemical bond that involves sharing a pair of electrons between atoms in a molecule.
一个分子内原子间共用一对电子的化学键。
In my biology class, we are studying the DNA molecule.
在我的生物课上，我们在学习DNA分子。
The mechanisms for surfactant and alkali to affect polymer molecule structures are analyzed by laboratory experiments and theory inference.
通过室内实验和理论分析，就碱和表面活性剂对聚合物分子形态的影响及其作用机理进行了分析。
A methane molecule is composed of one carbon atom attached to four hydrogens.
甲烷分子由1个碳原子与4个氢原子构成。
The chemical structure of this particular molecule is very unusual.
这个特殊分子的化学结构很不寻常。
An atom or molecule or radical or ion that forms a complex around a central atom.
在中心原子周围形成一个联合体的原子、分子、原子团或离子。
A molecule of an element consists of one or two atoms.
一个元素的分子包含一个或两个原子。