(chemistry, biochemistry) Any heterocycle containing a peroxide -O-O- residue in the ring; found especially in certain intermediates in prostaglandin biosynthesis.
exasperation
exasperation
noun
Increase of violence or malignity; aggravation; exacerbation.
The act of exasperating or the state of being exasperated; irritation; keen or bitter anger.
exceptionary
expansionary
expansionary
adj
That promotes or exhibits expansion; expansionist.
expansometer
expatriation
expatriation
noun
forced expulsion of from one's native land to another
voluntary migration from one's native land to another
expectorants
expectorants
noun
plural of expectorant
experimentor
experrection
explorations
explorations
noun
plural of exploration
exportations
exportations
noun
plural of exportation
expressional
expressional
adj
Of or pertaining to expression, either in language, genetics, the face or the arts
exprobration
exprobration
noun
(obsolete) Reproachful accusation; upbraiding.
expromission
expromission
noun
(law) The intervention of a new debtor, substituted for the former one, who is consequently discharged by the creditor.
expurgations
expurgations
noun
plural of expurgation
extirpations
extirpations
noun
plural of extirpation
hydrosalpinx
hydrosalpinx
noun
A distally blocked Fallopian tube filled with serous or clear fluid.
hyperanxious
hyperanxious
adj
Very anxious
hyperflexion
hyperflexion
noun
Excessive flexion of a joint.
inexplorable
inexplorable
adj
That cannot be explored or discovered; inscrutable or unfathomable
inexportable
metrosalpinx
nonexemplary
nonexemplary
adj
Not exemplary.
nonexpiatory
nonextempore
nonprolixity
nonproximity
odontopteryx
oropharynxes
overexpanded
overexpanded
verb
simple past tense and past participle of overexpand
overexplains
overexplains
verb
Third-person singular simple present indicative form of overexplain
overexposing
overexposing
verb
present participle of overexpose
oxypropionic
paradoxician
paradoxician
noun
A person who formulates or uses paradoxes.
paradoxidian
paradoxurine
paradoxurine
adj
Of, or pertaining to, the genus Paradoxurus.
paroxytonize
pentahydroxy
pentahydroxy
noun
(organic chemistry, in combination) Five hydroxy groups in a molecule.
peroxidation
peroxidation
noun
(chemistry) Any oxidation reaction, especially of an oxide, that produces a peroxide
(organic chemistry) The reaction of a double bond with a peroxide
peroxidizing
peroxidizing
verb
present participle of peroxidize
picrotoxinin
picrotoxinin
noun
(organic chemistry) An alkaloid found in picrotoxin.
pneumothorax
pneumothorax
noun
(medicine) Presence of air inside the pleural cavity, usually caused by injury either to the lung or the chest wall.
portmanteaux
portmanteaux
noun
plural of portmanteau
praetaxation
praxinoscope
praxinoscope
noun
(historical) An animation device invented in 1877 and used in early image projection. It consisted of a series of pictures and an arrangement of mirrors in a horizontally rotating box.
preexception
preexclusion
preexcursion
preexecution
preexemption
preexpansion
preexploding
preexplosion
preexpounder
proexemption
proexporting
proextension
propoxyphene
propoxyphene
noun
Dextropropoxyphene.
pyridoxamine
pyridoxamine
noun
(biochemistry) A constituent of vitamin B6, essential for the metabolism of starch and amino acids.
pyroxmangite
pyroxmangite
noun
(mineralogy) A triclinic-pinacoidal mineral containing iron, manganese, oxygen, and silicon.
reexposition
reexpression
reexpression
noun
Subsequent or repeated expression.
rhinopharynx
rhinopharynx
noun
(anatomy, rare) Synonym of nasopharynx
saccopharynx
superflexion
underexposed
underexposed
verb
simple past tense and past participle of underexpose
underexposes
underexposes
verb
Third-person singular simple present indicative form of underexpose
unexplorable
unexplorable
adj
Not explorable
unexportable
unexportable
Adjective
Not exportable.
xanthopicrin
xanthopicrin
noun
(organic chemistry) A bitter principle obtained from the bark of Zanthoxylum clava-herculis.
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.
xenoparasite
xenoparasite
noun
An ectoparasite that becomes pathogenic only when the host is weakened or injured
