意味(日本語)

(数)無理数の、(音声)無声(音)の ◇反対語 sonant

語源

• surd- : L.surdus = deaf(耳（音）の聞こえない、耳をかさない)

意味(英語)

• (noun) Mathematics An irrational number, such as √2.
• (noun) Linguistics A voiceless sound in speech.
• (adjective) Linguistics Voiceless, as a sound.

例文

• Jeremy Piven winning an Emmy three years in a row for that role, is up surd.