不ふ飽ほう和わ炭たん化か水すい素そ

noun

unsaturated hydrocarbon

Technical term in organic chemistry for a hydrocarbon containing at least one double or triple bond.

• エチレンは最もっとも単たん純じゅんな不ふ飽ほう和わ炭たん化か水すい素その一ひとつです。

  Ethylene is one of the simplest unsaturated hydrocarbons.