from The American Heritage® Dictionary of the English Language, 5th Edition.
- adjective Shaped like a wedge.
from The Century Dictionary.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective sciences, archaic Shaped like a
from Wiktionary, Creative Commons Attribution/Share-Alike License
From Ancient Greek σφήν (sphēn, "wedge").
A composite number with three distinct prime factors is a sphenic number.