hyoscyamus muticus
- n poisonous herb whose leaves are a source of hyoscyamine
hyoscyamus niger
- n poisonous fetid Old World herb having sticky hairy leaves and yellow-brown flowers; yields hyoscyamine and scopolamine
hypallage
- n reversal of the syntactic relation of two words (as in `her beauty's face')
hypanthium
- n the cuplike or ringlike or tubular structure of a flower which bears the sepals and stamens and calyx (as in Rosaceae)
hypatia
- n Greek philosopher and astronomer; she invented the astrolabe (370-415)
hype
- n blatant or sensational promotion
- v publicize in an exaggerated and often misleading manner
hypentelium nigricans
- n widely distributed in warm clear shallow streams
hyperactivity
- n a condition characterized by excessive restlessness and movement
hyperacusia
- n abnormal acuteness of hearing due to increased irritability of the sensory neural mechanism; characterized by intolerance for ordinary sound levels
hyperacusis
- n abnormal acuteness of hearing due to increased irritability of the sensory neural mechanism; characterized by intolerance for ordinary sound levels
hyperadrenalism
- n a glandular disorder caused by excessive ACTH resulting in greater than normal functioning of the adrenal gland; characterized by obesity
hyperadrenocorticism
- n a glandular disorder caused by excessive cortisol