~ 1
■ suffix variant spelling of -an , often with a distinction of sense (such as humane compared with human ).
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~ 2
■ suffix Chemistry forming names of saturated hydrocarbons: propane.
~ 1
■ suffix variant spelling of -an , often with a distinction of sense (such as humane compared with human ).
————————
~ 2
■ suffix Chemistry forming names of saturated hydrocarbons: propane.
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004