Definition of Ha

1. Noun. (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.

Exact synonyms: Hour Angle
Category relationships: Astronomy, Uranology
Generic synonyms: Angular Distance

Definition of Ha

1. interj. 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."

Definition of Ha

1. a sound of surprise [n -S]

Medical Definition of Ha

1. 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." "Ha-has, and inarticulate hootings of satirical rebuke." (Carlyle) (16 Mar 1998)

Lexicographical Neighbors of Ha

h-y antigen
H.M.S. Bounty
H.P.
H. G. Wells
H. H. Munro
H. J. Eysenck
H. L. Mencken
H. pylori
H1-related protein-tyrosine phosphatase
H2O
H2Q
H2 antagonist
H2 blocker
H2 histocompatibility
ha (current term)
HA
ha'p'orth
ha'penny
ha-ha
HA1 virus
HA2 virus
haaf
haaf
haafs
haak
haar
haars
haarscheibe tumour
HAART
Haase's rule

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