化学键 (huà xué jiàn) — chemical bond

Definition

noun

chemical bond

化学键。
huà xué jiàn Shì fēn zǐ zhōng yuán zǐ zhī jiān de zuò yòng lì.
A chemical bond is the force between atoms in a molecule.
化学键。
Xué xí huà xué jiàn yǒu zhù yú lǐ jiě wù zhì de xìng zhì.
Learning about chemical bonds helps to understand the properties of matter.
化学键化学键。
Lí zǐ huà xué jiàn hé gòng jià huà xué jiàn shì zuì cháng jiàn de liǎng zhǒng lèi xíng.
Ionic bonds and covalent bonds are the two most common types.

Compound word

构词法gòucífǎ

偏正piānzhèngModifier + head

The first part narrows down the second: it says what kind of thing the head is.

化学chemistry

化huàchemical学xuéscience

偏正Modifier + head

化学 names chemistry and 键 names a bond, so 化学键 is a chemical bond.

Characters in this word

Two or more meaningful parts placed together so that their meanings combine into a new one.

化 shows two person figures, one upright and one upside down, to give the idea of reversal or change.

Most characters — around four in five — are built this way: one part hints at the meaning, the other at the pronunciation.

This origin belongs to the traditional form 學; 学 is its simplified writing.

The traditional form 學 may have used 爻 and 六 for sound, with hands and a child added later; the simplified 学 is a shorthand.

Most characters — around four in five — are built this way: one part hints at the meaning, the other at the pronunciation.

This origin belongs to the traditional form 鍵; 键 is its simplified writing.

釒建鍵

Meaning part形符xíngfú

釒Written in full as金jīnmetal

Sound part声符shēngfú

建

Same sound today

The traditional form 鍵 combines 釒 (metal) with 建 for sound, and the evidence describes it as a metal key.