endochorion

noun

en·​do·​chorion

: the inner of the two layers usually making up the chorion of an insect egg

Word History

Etymology

New Latin, from end- + chorion

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now