hymn
- n a song of praise (to God or to a saint or to a nation)
- v sing a hymn
- v praise by singing a hymn
They hymned their love of God
hynerpeton
- n earliest fossil amphibian ever found; of the Devonian; found in Pennsylvania
hynerpeton bassetti
- n fossil amphibian of the Devonian having well-developed forelimbs; found in Pennsylvania
hyoid bone
- n a U-shaped bone at the base of the tongue that supports the tongue muscles
hyoscine
- n an alkaloid with anticholinergic effects that is used as a sedative and to treat nausea and to dilate the pupils in ophthalmic procedures
hyoscyamine
- n a poisonous crystalline alkaloid (isometric with atropine but more potent); used to treat excess motility of the gastrointestinal tract
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)