1. <chemistry> A combining form or suffix that denotes substances that are basic, and alkaloidal in their nature.

All organic bases, and basic substances (especially nitrogenous substances), are systematically written with the termination -ine; as, quinine, morphine, guanidine, etc. All indifferent and neutral substances, as proteids, glycerides, glucosides, etc, should commonly be spelled with -in; as, gelatin, amygdalin, etc. This rue has no application to those numerous commercial or popular names with the termination -ine; as, gasoline, vaseline, hexine, heptine, etc.

2. Forming adjectives especially from names of minerals, plants, etc. (crystalline).

3. Forming feminine nouns (heroine; margravine).

4. Forming (especially abstract) nouns (discipline; medicine).

Origin: Latin -inus from or suggested by Greek -inos

(11 Feb 2009)

induviae, induviate, indwelling, indwelling catheter < Prev | Next > inebriant, inebriate, inebriation

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