sesquialteral

adjective

ses·​qui·​al·​ter·​al

: one and a half times as great as another : having the ratio of one and a half to one

Word History

Etymology

Latin sesquialter one and a half times as great (from sesqui- + alter other of two, second) + English -al

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