| 单词 | surd |
| 释义 | surd adj. & n. --adj 1. Math. (of a number) irrational. 2. Phonet. (of a sound) uttered with the breath and not the voice (e.g. f, k, p, s, t). --n 1. Math. a surd number, esp. the root of an integer. 2. Phonet. a surd sound. Etymology: L surdus deaf, mute: sense 1 by mistransl. into L of Gk alogos irrational, speechless, through Arab. jadr asamm deaf root |
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