Aliphatic
/ˌæl.ɪˈfæt.ɪk/noun
Relating to organic compounds whose carbon atoms are arranged in open chains rather than aromatic rings.
Did you know?The term was created in 19th-century chemistry from Greek roots tied to oil and fat, showing how modern science often names invisible structures with words borrowed from the messy, physical world.
Etymological Timeline
Ancient Greek
Greek
aleiphar
“oil, unguent, or fat used for anointing”
Late Latin
Latin
aliphat- / aliphaticus
“formed in reference to fats or oily substances”
19th Century
French
aliphatique
“a chemical term for non-aromatic, fat-derived organic compounds”
Late 19th Century
English
aliphatic
“relating to open-chain organic compounds, especially those not containing an aromatic ring”
Modern English
English
aliphatic
“describing a class of organic compounds with straight or branched carbon chains”