surd: Meaning and Definition of
surd
Pronunciation: (sûrd), [key]
— adj.
- voiceless (opposed to sonant).
- (of a quantity) not capable of being expressed in rational numbers; irrational.
—n.
- a voiceless consonant (opposed to sonant).
- a surd quantity.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.