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
surd (plural surds)
(arithmetic) An irrational number, especially one expressed using the √ symbol.
(linguistics) A voiceless consonant.
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
• 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
22 December 2024
(noun) (plural) spectacles that are darkened or polarized to protect the eyes from the glare of the sun; “he was wearing a pair of mirrored shades”
Coffee is a brewed drink prepared from roasted coffee beans, the seeds of berries from certain Coffea species. When coffee berries turn from green to bright red – indicating ripeness – they are picked, processed, and dried. Dried coffee seeds are roasted to varying degrees, depending on the desired flavor.
