-ine

1 definitions retrieved

-ine \-ine\ (?; 104).

1. (Chem.) A suffix, indicating that those substances of
whose names it is a part are basic, in their nature, i.e.
contain a basic nitrogen group.
[1913 Webster +PJC]

Note: All organic bases, and basic substances (especially
nitrogenous substances), are systematically written
with the termination -ine; as, quinine, pyridine,
morphine, guanidine, etc. Certain substances containing
nitrogen though with net neutral character (as certain
amino acids) also end in -ine, such valine and glycine.
All indifferent and neutral substances, as proteids,
glycerides, glucosides, etc., should commonly be
spelled with -in; as, gelatin, amygdalin, etc. This
rule has no application to those numerous commercial or
popular names with the termination -ine; as, gasoline,
vaseline, etc.
[1913 Webster +PJC]

2. (Organ. Chem.) A suffix, formerly used to indicate
hydrocarbons of the second degree of unsaturation; i. e.,
members of the acetyline series; as, hexine, heptine,
etc., but now superseded by the ending -yne, as in
propyne.
[1913 Webster +PJC]

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