quartine rare.
(ˈkwɔːtaɪn)
[f. L. quart-us fourth + -ine4 and -ine5.]
1. Bot. Mirbel's name for a fourth integument supposed by him to occur in some ovules.
| 1832 Lindley Introd. Bot. 158 [Quoting Mirbel], I have only discovered the quartine in ovula of which the tercine is incorporated at an early period with the secondine. |
2. Chem. (See quot.)
| 1873 C. H. Ralfe Phys. Chem. p. xviii, Triads. Glycerin Series. Quartine or Crotonylene C4H6. |