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English word
HYPHEN
WORDNET DICTIONARY
CIDE DICTIONARY
OXFORD DICTIONARY
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WORDNET DICTIONARY
Noun theta has 1 sense
- theta(n = noun.communication) - the 8th letter of the Greek alphabet; is a member of greek alphabet
is a kind of alphabetic character, letter, letter of the alphabet
CIDE DICTIONARY
theta, n. [L., fr. Gr. qh^ta, the Greek letter
one of a group of functions used in developing the properties of elliptic functions.
A letter of the Greek alphabet corresponding to th in English; -- sometimes called the unlucky letter, from being used by the judges on their ballots in passing condemnation on a prisoner, it being the first letter of the Greek qa`natos , death. [1913 Webster]