hemitripterus americanus
- n large sculpin of western Atlantic; inflates itself when caught
hemizygos vein
- n a continuation of the left ascending lumbar vein; crosses the midline at the 8th vertebra and empties into the azygos vein
hemizygous vein
- n a continuation of the left ascending lumbar vein; crosses the midline at the 8th vertebra and empties into the azygos vein
hemlock
- n poisonous drug derived from an Eurasian plant of the genus Conium
Socrates refused to flee and died by drinking hemlock - n large branching biennial herb native to Eurasia and Africa and adventive in North America having large fernlike leaves and white flowers; usually found in damp habitats; all parts extremely poisonous
- n soft coarse splintery wood of a hemlock tree especially the western hemlock
- n an evergreen tree
hemlock water dropwort
- n European poisonous herb having tuberous roots, yellow juice that stains the skin, yellow flowers and foliage resembling celery; all parts extremely poisonous
hemminge
- n English actor who edited the first folio of Shakespeare's plays (1556-1630)
hemochromatosis
- n pathology in which iron accumulates in the tissues; characterized by bronzed skin and enlarged liver and diabetes mellitus and abnormalities of the pancreas and the joints
hemodialysis
- n dialysis of the blood to remove toxic substances or metabolic wastes from the bloodstream; used in the case of kidney failure