accension

noun

ac·​cen·​sion

akˈsenchən

plural -s

archaic

: kindling, ignition, combustion

Word History

Etymology

Late Latin accension-, accensio, from Latin accensus (past participle of accendere to set on fire, from ad- + -cendere, from candēre to glow) + -ion-, -io -ion

First Known Use

1646, in the meaning defined above

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