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

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。
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。
I started by saying, literally: This is an atom; this is a molecule.
我的第一堂课是这样开始的：这是一个原子；这是一个分子。
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。
A molecule cannot have a three-fold axis and a four-fold axis in the same direction.
一个分子不能在同一方向上有一个三重轴和一个四重轴。
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。
The length of the chain molecule is proportional to the kinetic chain length.
链分子的长度与动力学链长成正比。
A hydrate is formed when one or more water molecules combine with a drug molecule in crystal form.
当一个或多个水分子和一个晶体形药物分子相结合时，就构成一种水合物。
It's a small organic molecule.
这是一个小的有机分子。
The kind and number of atoms in a molecule determine a molecular mass.
分子中原子的种类和数量决定分子质量。