| 释义 |
surd
I. \ˈsərd, ˈsə̄d, ˈsəid\ adjective
Etymology: Latin surdus dull-sounding, silent, deaf; akin to Latin susurrus hum, murmur — more at swarm
1. : lacking sense : lacking reason or rationale : insensate, irrational
< the surd mystery and the strange forces of existence — D.C.Williams >
2. : voiceless — used of speech sounds; opposed to sonant
II. noun
(-s)
: one that is surd: as
a. : an irrational radical with rational radicand
< √3 and √ 2/5 are surds >
b. : a surd speech sound
c. : an unknown or irrational quality
< the uncharted surd at the heart of European politics — William Barrett > |