Surd has 4 different meanings across 2 categories:
Noun
· Adjective
Noun
1
a consonant produced without sound from the vocal cords
2
An irrational number, especially one expressed using the √ symbol.
Adjective
1
produced without vibration of the vocal cords
"unvoiced consonants such as `p' and `k' and `s'"
2
Lacking the sense of hearing; deaf.
Broader Terms (hypernyms)