theta
[ they-tuh, thee- ]
/ ˈθeɪ tə, ˈθi- /
noun
the eighth letter of the Greek alphabet (Θ, θ).
the consonant sound represented by this letter.
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Origin of theta
1595–1605; <Greek thêta<Semitic See teth
Words nearby theta
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for theta
British Dictionary definitions for theta
theta
/ (ˈθiːtə) /
noun
the eighth letter of the Greek alphabet (Θ, θ), a consonant, transliterated as th
the lower-case form of this letter used in phonetic transcription to represent the voiceless dental fricative th as in thick, bothCompare edh
Word Origin for theta
C17: from Greek, of Semitic origin; compare Hebrew tēth
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Medical definitions for theta (1 of 2)
theta
[ thā′tə, thē′- ]
n.
The eighth letter of the Greek alphabet.
Medical definitions for theta (2 of 2)
θ
The Greek letter theta. Entries beginning with this character are alphabetized under theta.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.