(a.) Involving surds; not capable of being expressed in rational numbers; radical; irrational; as, a surd expression or quantity; a surd number.
SURD
Meaning of SURD in English
Webster's English dictionary. Английский словарь Webster. 2012
(a.) Involving surds; not capable of being expressed in rational numbers; radical; irrational; as, a surd expression or quantity; a surd number.
Webster's English dictionary. Английский словарь Webster. 2012