Topic: GAS, COAL, OIL

Date: 1800-1900
Origin: butyl type of chemical group (19-21 centuries) (from Latin butyrum ( BUTTER1); because it smells of butter that is no longer fresh) + -ane 'carbon chemical compound'

butane

noun
     
bu‧tane [uncountable]
TPG a gas stored in liquid form, used for cooking and heating

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