| 释义 |
surd /sûrd/ adjective- Unable to be expressed in rational numbers (mathematics)
- Voiceless (phonetics)
- Deaf (obsolete)
- Senseless (obsolete)
noun- An irrational quantity, esp an irrational root or a sum of irrational roots (mathematics)
- A voiceless consonant (phonetics)
- Someone who is deaf to persuasion, rational argument, etc
ORIGIN: L surdus deaf surdˈity noun Deafness |