secundine (plural secundines)
(botany) The second coat, or integument, of an ovule, lying within the primine.
(chiefly, in the plural) The afterbirth, or placenta and membranes.
• (botany): In the ripened seed the primine and secundine are usually united to form the testa, or outer seed coat. When they remain distinct the secundine becomes the mesosperm, as in the castor bean.
Source: Wiktionary
Sec"un*dine, n. Etym: [Cf. F. secondine.]
1. (Bot.)
Definition: The second coat, or integument, of an ovule, lying within the primine.
Note: In the ripened seed the primine and secundine are usually united to form the testa, or outer seed coat. When they remain distinct the secundine becomes the mesosperm, as in the castor bean.
2. Etym: [Cf. F. secondines.]
Definition: The afterbirth, or placenta and membranes; -- generally used in the plural.
Source: Webster’s Unabridged Dictionary 1913 Edition
8 November 2024
(noun) the act of furnishing an equivalent person or thing in the place of another; “replacing the star will not be easy”
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