histotoxin

noun

his·​to·​toxin

"+

: any of various poisonous substances formed in specific body tissues and usually deleterious to the body in which they are formed

Word History

Etymology

hist- + toxin

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