spinasterol

noun

spi·​na·​sterol

¦spīnə+

plural -s

: any of several unsaturated isomeric phytosterols C₂₉H₄₇OH obtained especially from spinach leaves or the oil from alfalfa seeds and distinguished by Greek letters

α-spinasterol

Word History

Etymology

New Latin Spinacia (genus name of the spinach plant Spinacia oleracea) + English sterol

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