(pharmacology) One of the stereoisomers of amphetamine, with the chemical formula C₉H₁₃N, that is used to stimulate the central nervous system.
diphenoxylate
diphenoxylate
noun
(pharmacology) An antidiarrheal agent (trademark Lomotil) chemically related to pethidine and administered in the form of its hydrochloride C₃₀H₃₂N₂O₂·HCl in combination with the sulfate of atropine.
diphtherotoxin
diphtherotoxin
noun
An exotoxin secreted by Corynebacterium diphtheriae
epitheliotoxin
hematosalpinx
hematosalpinx
noun
(medicine) A medical condition involving bleeding into the Fallopian tubes.
hepatotoxin
hepatotoxin
noun
Any substance that causes hepatotoxicity
hexanitrodiphenylamine
hexanitrodiphenylamine
noun
(organic chemistry) A substance that was mixed with TNT in World War II to make it more explosive.
hydroxytryptamine
hydroxytryptamine
noun
(organic chemistry) Any hydroxy derivative of tryptamine, but especially 5-hydroxytryptamine (serotonin)
hygroexpansivity
hyperexaltation
hyperextension
hyperextension
noun
an exercise performed by lying on the stomach, ideally inclined upwards as on a Roman chair to reach a higher range of motion, and raising and lowering the upper torso.
the extension of a joint beyond its normal range; the condition of being hyperextended.
hyperoxidation
hyperoxidation
noun
Excessive oxidation
hyperoxygenating
hyperoxygenating
verb
present participle of hyperoxygenate
hyperoxygenation
hyperoxygenation
noun
(medicine) The administration of a higher than usual concentration of oxygen, or the condition of having such a concentration of oxygen.
hypoxanthine
hypoxanthine
noun
(organic chemistry) A bicyclic heterocycle, 3,7-dihydropurin-6-one, that is an intermediate in the biosynthesis of uric acid.
naphthoxide
nephrotoxic
nephrotoxic
adj
that is poisonous to kidney tissue
nephrotoxicity
nephrotoxicity
noun
The state or condition of being nephrotoxic; toxicity that damages kidneys.
nephrotoxin
nephrotoxin
noun
Any nephrotoxic substance.
oxynaphtoquinone
phoenixity
phycoxanthine
phycoxanthine
noun
Alternative form of phycoxanthin
phytoalexin
phytoalexin
noun
(medicine) any of several classes of antibiotics produced by plants in response to microorganisms
phytoalexins
phytoalexins
noun
plural of phytoalexin
preexhaustion
preexhibition
pseudoxanthine
sextonship
sextonship
noun
The office or position of a sexton.
sixpennyworth
sixpennyworth
noun
(dated) A portion worth sixpence.
sphacelotoxin
spondylexarthrosis
sternoxiphoid
typhotoxine
xanthophyllite
xanthophyllite
noun
(mineralogy, outdated) A synonym of clintonite. The International Mineralogical Association's Commission on New Minerals, Nomenclature and Classification (CNMNC) recommends using clintonite as a replacement in all cases.
xanthopicrite
xanthopicrite
noun
(organic chemistry, archaic) A bitter crystalline alkaloid extracted from plants of family Xanthoxylaceae.
xanthoproteic
xanthoproteic
adj
Of or pertaining to xanthoproteic acid or xanthoproteins.
xanthoprotein
xanthoprotein
noun
A protein formed when xanthoproteic acid contacts epithelial cells, indicative of inadequate safety precautions when handling nitric acid.
xanthoproteinic
xanthoproteinic
adj
Alternative form of xanthoproteic
xanthopterin
xanthopterin
noun
A yellow crystalline solid that occurs mainly in the wings of butterflies and in the urine of mammals, converted by microorganisms into folic acid.
xenophontian
xenophontic
xenophontic
Adjective
Of or relating to the language or style of Xenophon.
xenophontine
xenophthalmia
xenophthalmia
noun
(medicine) ophthalmia caused by foreign matter in the eye
