h : Idioms & Phrases
big h
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noun street names for heroin
skag; nose drops; thunder; hell dust; smack; scag.
WordNet
H piece
(Mining) , the part of a plunger pump which contains the valve.
Webster 1913
h-bomb
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noun a nuclear weapon that releases atomic energy by union of light (hydrogen) nuclei at high temperatures to form helium
hydrogen bomb; fusion bomb; thermonuclear bomb.
WordNet
h-shaped
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adjective satellite shaped in the form of the letter H
WordNet
vitamin h
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noun a B vitamin that aids in body growth
biotin.