follow Dictionary.com

Dictionary.com's Word of the Year is...

theta

[they-tuh, thee-] /ˈθeɪ tə, ˈθi-/
noun
1.
the eighth letter of the Greek alphabet (Θ, θ).
2.
the consonant sound represented by this letter.
Origin
1595-1605
1595-1605; < Greek thêta < Semitic See teth
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
Examples from the web for theta
  • theta rhythm was evidently essential for hippocampal function, which in turn was essential for memory.
British Dictionary definitions for theta

theta

/ˈθiːtə/
noun
1.
the eighth letter of the Greek alphabet (Θ, θ), a consonant, transliterated as th
2.
the lower-case form of this letter used in phonetic transcription to represent the voiceless dental fricative th as in thick, both Compare edh
Word Origin
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
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
Word Origin and History for theta
n.

eighth letter of the Greek alphabet; in ancient Greece, written on ballots to indicate a vote for a sentence of "death" (thanatos), hence occasional allusive use for "death."

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
theta in Medicine

theta the·ta (thā'tə, thē'-)
n.

Symbol θ The eighth letter of the Greek alphabet.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source

Word of the Day

Word Value for theta

8
7
Scrabble Words With Friends

Nearby words for theta