硫化氢 (liú huà qīng) — hydrogen sulfide (H2S) | tongtong Chinese Dictionary

Definition

noun

hydrogen sulfide (H2S)

Examples

，硫化氢。
Zài huà gōng chǎng lǐ, liú huà qīng shì yì zhǒng wēi xiǎn de fù chǎn pǐn.
In chemical plants, hydrogen sulfide is a dangerous by-product.
硫化氢，。
Rú guǒ wén dào le liú huà qīng de wèi dào, yīng gāi lì jí tōng fēng.
If you smell the odor of hydrogen sulfide, you should ventilate immediately.
硫化氢。
liú huà qīng De nóng dù chāo guò yí dìng xiàn dù jiù huì duì rén tǐ yǒu hài.
Hydrogen sulfide becomes harmful to the human body when its concentration exceeds a certain limit.

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.

硫化sulfide

硫liúsulfur化huàchange

偏正Modifier + head

氢qīnghydrogen

硫化 means sulfide and 氢 is hydrogen, naming hydrogen sulfide.

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.

Meaning part形符xíngfú

石石shístone

Sound part声符shēngfú

流

流liú硫liú

Same sound today

The left part 石 is stone; the right part 流 supplies the sound liú.

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 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.

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