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Ha
WORDNET DICTIONARY
Noun Ha has 1 sense
- ha(n = noun.shape) hour angle - (astronomy) the angular distance of a celestial point measured westward along the celestial equator from the zenith crossing; the right ascension for an observer at a particular location and time of day; Array is a kind of angular distance
CIDE DICTIONARY
Ha, interj. [AS.].
An exclamation denoting surprise, joy, or grief. Both as uttered and as written, it expresses a great variety of emotions, determined by the tone or the context. When repeated, ha, ha, it is an expression of laughter, satisfaction, or triumph, sometimes of derisive laughter; or sometimes it is equivalent to “Well, it is so.” [1913 Webster]
"Ha-has, and inarticulate hootings of satirical rebuke."
[1913 Webster]
OXFORD DICTIONARY
Ha, symb. Chem. the element hahnium.
Ha, int. & v. (also hah)
--int. expressing surprise, suspicion, triumph, etc. (cf. HA HA).
--v.intr. (in hum and ha: see HUM(1))
--int. expressing surprise, suspicion, triumph, etc. (cf. HA HA).
--v.intr. (in hum and ha: see HUM(1))
Ha, abbr. hectare(s).
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