(mineralogy) An orthorhombic-dipyramidal orange mineral containing arsenic and sulfur.
hecatomped
methyldopa
methyldopa
noun
(pharmacology) The compound 3-(3,4-dihydroxyphenyl)-2-methyl-L-alanine, C₁₀H₁₃NO₄, which is used as an antihypertensive agent.
parethmoid
parethmoid
adj
(anatomy) Near or beside the ethmoid bone or cartilage; applied especially to a pair of bones in the nasal region of some fishes, and to the ethmoturbinals in some higher animals.
noun
(anatomy) A parethmoid bone.
photodrome
photodrome
noun
(dated) An apparatus consisting of a large wheel with spokes, which when turning very rapidly is illuminated by momentary flashes of light passing through slits in a rotating disk. By properly timing the succession of flashes, the wheel is made to appear to be motionless, or to rotate more or less slowly in either direction.
phymatodes
trophedema
trophoderm
trophoderm
noun
A trophoblast together with the vascular mesodermal layer underlying it