SURD

unvoiced, voiceless, surd, hard

(adjective) produced without vibration of the vocal cords; “unvoiced consonants such as ‘p’ and ‘k’ and ‘s’”

surd, voiceless consonant

(noun) a consonant produced without sound from the vocal cords

Source: WordNet® 3.1


Etymology

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.

(obsolete) unheard

(math) Involving surds, or irrational numbers; not capable of being expressed in rational numbers.

(phonetics) unvoiced; voiceless

Anagrams

• RUDs, Ruds, UDRS, Urds, ruds

Source: Wiktionary


Surd, a. Etym: [L. surdus deaf (whence the meaning, deaf to reason, irrational), perhaps akin to E. swart. Cf. Sordine.]

1. Net having the sense of hearing; deaf. [Obs.] "A surd . . . generation." Sir T. Browne.

2. Unheard. [Obs.] Kenrick.

3. (Math.)

Definition: Involving surds; not capable of being expressed in rational numbers; radical; irrational; as, a surd expression or quantity; a surd number.

4. (Phonetics)

Definition: Uttered, as an element of speech, without tone, or proper vocal sound; voiceless; unintonated; nonvocal; atonic; whispered; aspirated; sharp; hard, as f, p, s, etc.; -- opposed to sonant. See Guide to Pronunciation, §§169, 179, 180.

Surd, n. (Math.)

1. A quantity which can not be expressed by rational numbers; thus, *2 is a surd.

2. (Phon.)

Definition: A surd element of speech. See Surd, a., 4.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

22 February 2025

ANALYSIS

(noun) the use of closed-class words instead of inflections: e.g., ‘the father of the bride’ instead of ‘the bride’s father’


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According to Guinness World Records, the largest iced coffee is 14,228.1 liters and was created by Caffé Bene (South Korea), in Yangju, South Korea, on 17 July 2014. They poured iced black Americano on the giant cup that measured 3.3 meters tall and 2.62 meters wide.

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