氢化物 (qīng huà wù) — hydride (chemistry)

Definition

noun
hydride (chemistry)
Measure word · 种

Examples

  • 氢化物。
    Zhè zhǒng qīng huà wù shì yóu qīng qì yǔ jīn shǔ fǎn yìng shēng chéng de.
    This hydride is produced by the reaction of hydrogen gas with a metal.
  • 氢化物。
    Xǔ duō qīng huà wù zài cháng wēn xià shì bù wěn dìng de.
    Many hydrides are unstable at room temperature.
  • 氢化物。
    Yán jiū rén yuán zhèng zài tàn suǒ xīn xíng qīng huà wù de chǔ qīng xìng néng.
    Researchers are exploring the hydrogen storage properties of new hydrides.

Origin

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.

氢qīnghydrogen
化物chemical substance
化huàchemical物wùsubstance
偏正Modifier + head

氢 gives the element, while 化 and 物 describe a chemical substance, so the word names a hydride.

Characters in this word

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 氫; 氢 is its simplified writing.

Meaning part形符xíngfú
气气qìair; gas
Sound part声符shēngfú
輕
輕qīng氫qīng
Same sound today

The traditional form 氫 combines 气 (air; gas) with 輕, which gives the pronunciation qīng; the simplified 氢 is a later shorthand.

Open 氢 →

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.

Open 化 →

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

Meaning part形符xíngfú
Sound part声符shēngfú
勿
勿wù物wù
Same sound today

物 puts 牛 beside 勿: 牛 gives the meaning, and 勿 gives the sound.

Open 物 →

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