烷 (wán) — alkane (chemistry)
Definition
A chemistry term referring to alkanes (saturated hydrocarbons). Almost always used as a bound form attached to another character (e.g. 甲烷, 乙烷), rarely on its own.
bound form
alkane (chemistry)
Examples
- 。Jiǎ wán shì zuì jiǎn dān de yǒu jī huà hé wù zhī yī.Methane is one of the simplest organic compounds.
- 烷。Yǐ wán zài shí yàn shì zhōng cháng yòng yú zhì bèi yǐ xī.Ethane is often used in the lab to prepare ethylene.
- 烷。wán Tīng shì bǎo hé tīng de yì zhǒng.Alkanes are a type of saturated hydrocarbon.
Origin
Sound + meaning六书liùshū
形声xíngshēngMost characters — around four in five — are built this way: one part hints at the meaning, the other at the pronunciation.
The left part 火 is used in names for hydrocarbons, and the right part 完 gives the sound.
Appears in
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