secundine
/sek-uhn-dahyn, -din/US // ˈsɛk ənˌdaɪn, -dɪn //UK // (ˈsɛkənˌdaɪn, -dɪn) //
秘密的,秘密,秘密的人
Definitions
n.名词 noun
- 1
Botany.
- : the inner integument of an ovule.
Examples
The third thing which makes up the secundine in the alantois, of which there is a great dispute amongst anatomists.
Within the primine lies the bony crustaceous secundine, which is quite loose, and seems as if it were independent of the primine.
Eventually the end of the thin brittle primine breaks like an eggshell and the secundine falls out.
Level 3Browse all words →