- the outer integument of an ovule.
Origin of primine
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for primine
Within the primine lies the bony crustaceous secundine, which is quite loose, and seems as if it were independent of the primine.
- botany rare the integument surrounding an ovule or the outer of two such integumentsCompare secundine
C19: via French from Latin prīmus first