surd
See also: sùrd
English
Etymology
Borrowed from Latin surdus (“deaf”); in mathematical sense, "deaf to reason", i.e. irrational.
Pronunciation
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- Lua error in Module:parameters at line 331: Parameter 1 should be a valid language or etymology language code; the value "US" is not valid. See WT:LOL and WT:LOL/E. enPR: sûrd, IPA(key): /sɝd/
- Rhymes: -ɜː(r)d
Noun
surd (plural surds)
- (arithmetic) An irrational number, especially one expressed using the √ symbol.
- (linguistics) A voiceless consonant.
Adjective
surd (comparative more surd, superlative most surd)
- (obsolete) Lacking the sense of hearing; deaf.
- 1670s, published 1716, Thomas Browne, Christian Morals, part 3, section 6:
- …how all Words fall to the Ground, spent upon such a surd and Earless Generation of Men, stupid unto all Instruction…
- 1670s, published 1716, Thomas Browne, Christian Morals, part 3, section 6:
- (obsolete) unheard
- 1773, William Kenrick, A New Dictionary of the English Language, section 3, page 5:
- To this errour, of blending the ſurd and vocal modes of articulation together, may be added the too frequent uſe of compound articulations both vocal and ſurd.
- 1773, William Kenrick, A New Dictionary of the English Language, section 3, page 5:
- (mathematics) Involving surds, or irrational numbers; not capable of being expressed in rational numbers.
- a surd expression or quantity; a surd number
- (phonetics) unvoiced; voiceless
Anagrams
Romanian
Etymology
From Latin surdus, from Proto-Indo-European *swer- (“ringing, whistling”).
Pronunciation
Adjective
surd m or n (feminine singular surdă, masculine plural surzi, feminine and neuter plural surde)
Declension
Declension of surd
Related terms
See also
Categories:
- English terms borrowed from Latin
- English terms derived from Latin
- English 1-syllable words
- English terms with IPA pronunciation
- Rhymes:English/ɜː(r)d
- English lemmas
- English nouns
- English countable nouns
- en:Arithmetic
- en:Linguistics
- English adjectives
- English terms with obsolete senses
- en:Mathematics
- en:Phonetics
- en:Numbers
- Romanian terms inherited from Latin
- Romanian terms derived from Latin
- Romanian terms derived from Proto-Indo-European
- Romanian terms with IPA pronunciation
- Romanian lemmas
- Romanian adjectives