(biochemistry) Any of several toxic substances that trigger anaphylaxis
anaphylaxes
anaphylaxes
noun
plural of anaphylaxis
anaphylaxis
anaphylaxis
noun
A severe and rapid systemic allergic reaction to an allergen, causing a constriction of the trachea, preventing breathing; anaphylactic shock.
Extreme sensitivity to a substance such as a foreign protein or drug.
anhydroxime
anthotaxy
anthotaxy
noun
(botany) The arrangement of flowers in a cluster; the science of the relative position of flowers.
anthraxylon
anthropodeoxycholic
antianaphylaxis
antianaphylaxis
noun
(immunology) desensitization to antigens
antiorthodoxly
antiorthodoxy
antiphylloxeric
antiphylloxeric
adj
Destroying or countering the phylloxera insect.
aphanapteryx
archocystosyrinx
archosyrinx
arthrosyrinx
asphyxiant
asphyxiant
adj
That can cause asphyxiation
noun
Any substance that can cause asphyxia
asphyxiating
asphyxiating
verb
present participle of asphyxiate
asphyxiation
asphyxiation
noun
An acute lack of oxygen.
Death due to lack of oxygen.
asphyxiations
asphyxiations
noun
plural of asphyxiation
autoasphyxiation
autoasphyxiation
noun
The practice of choking or strangling oneself for sexual gratification.
azoxynaphthalene
azoxynaphthalene
noun
(organic chemistry) Any azoxy derivative of naphthalene
azoxyphenetole
benzhydroxamic
benzoxycamphor
benzoxyphenanthrene
bishydroxycoumarin
bishydroxycoumarin
noun
(organic chemistry) Synonym of dicumarol
carboxyhemoglobin
carboxyhemoglobin
noun
(biochemistry) The stable complex of carbon monoxide with hemoglobin; it prevents the normal complexing with oxygen and thus leads to anoxia
chalcedonyx
chalcedonyx
noun
(mineralogy) An agate formed of a white opaque chalcedony alternating with a greyish translucent chalcedony.
chemotaxonomically
chemotaxonomically
adv
In terms of, or by means of, chemotaxonomy.
chemotaxonomy
chemotaxonomy
noun
(biochemistry, genetics) The classification or taxonomy of organisms based on differences and similarities in biochemistry, especially on differences in amino acid sequence in proteins that the organisms have in common.
chondromyxoma
chondromyxoma
noun
(pathology) chondromyxoid fibroma
chondromyxosarcoma
chondromyxosarcoma
noun
(biology, medicine) A rare type of bone tumor with chondromatous, myxomatous, and sarcomatous features demonstrable on histopathology; it has been reported in various body parts.
chronaxy
chronaxy
noun
Alternative form of chronaxie
cryptoxanthin
cryptoxanthin
noun
(organic chemistry) A xanthophyll pigment (a hydroxy derivative of carotene) that occurs widely in nature.
cyclohexadienyl
cyclohexadienyl
noun
(organic chemistry, especially in combination) Any univalent radical derived from cyclohexadiene.
cyclohexane
cyclohexane
noun
(organic chemistry) An alicyclic hydrocarbon, C₆H₁₂, consisting of a ring of six carbon atoms; a volatile liquid.
cyclohexanes
cyclohexanes
noun
plural of cyclohexane
cyclohexanol
cyclohexanol
noun
(organic chemistry) The alicyclic alcohol derived from cyclohexane by replacement of a hydrogen atom with a hydroxyl group
cyclohexanone
cyclohexanone
noun
(organic chemistry) The alicyclic ketone obtained from cyclohexane by the replacement of a methylene group by a carbonyl group.
cyclohexatriene
cyclohexatriene
noun
Synonym of benzene
any molecule composed of a ring of 6 carbon atoms with 3 double bonds
the theoretical resonance isomers of benzene
cyclohexene
cyclohexene
noun
(organic chemistry) A cyclic hydrocarbon containing six carbon atoms and one double bond; any of its derivatives.
cyclohexylamine
cyclohexylamine
noun
(organic chemistry) The primary amine derived from cyclohexane by replacing a hydrogen atom by an amino group; any derivative of this compound
cytopharynx
cytopharynx
noun
(cytology) A tube-like opening in the lateral surface of a ciliate, through which food is ingested.
cytopharynxes
cytopharynxes
noun
plural of cytopharynx
dendrohyrax
desiodothyroxine
desoxycinchonine
desoxyephedrine
desoxyephedrine
Noun
methamphetamine
desoxymorphine
dihydroxyacetone
dihydroxyacetone
noun
(biochemistry) The only ketotriose
(organic chemistry) The compound CO(CH₂OH)₂ that has a number of industrial uses
dihydroxysuccinic
dihydroxytoluene
dimethoxymethane
dimethoxymethane
noun
(organic chemistry) A clear colourless flammable liquid with a low boiling point, low viscosity, and excellent dissolving power, the dimethyl acetal of formaldehyde.
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.
endotheliomyxoma
epipharynx
epipharynx
noun
(anatomy, rare) The nasopharynx.
(zoology) A structure that overlaps the mouth in certain insects.
erythrodextrin
erythrodextrin
noun
(chemistry) A dextrin which gives a red colour with iodine.
(British spelling) Alternative spelling of hematoxylin
haematoxylon
haloxylin
hamamelidoxylon
hematoxylin
hematoxylin
noun
(medicine, organic chemistry) A phenolic compound having the chemical formula C₁₆H₁₄O₆, used (most often in conjunction with eosin) to make dye for staining tissue samples; extracted from the heart of the bloodwood tree, Haematoxylum campechianum.
hematoxylins
hematoxylins
noun
plural of hematoxylin
hexachlorocyclohexane
hexachlorocyclohexane
noun
(organic chemistry) A six-chlorine substituted cyclohexane, a polyhalogenated compound used in pesticides
hexadiyne
hexagonally
hexagonally
adv
In a hexagonal manner
hexagyn
hexagynia
hexagynian
hexagynous
hexagynous
adj
(botany) Having six styles.
hexahydrobenzene
hexahydroxycyclohexane
hexamethylenamine
hexamethylene
hexamethylene
noun
(organic chemistry) The divalent radical obtained by removing a hydrogen atom from each end of a n-hexane molecule
hexamethylenetetramine
hexamethylenetetramine
noun
(organic chemistry) A crystalline compound C₆H₁₂N₄ used especially as an accelerator in vulcanizing rubber.
hexandry
hexangularly
hexangularly
adv
In a hexangular manner.
hexanitrodiphenylamine
hexanitrodiphenylamine
noun
(organic chemistry) A substance that was mixed with TNT in World War II to make it more explosive.
hexoylene
hexylene
hexylene
noun
(chemistry) A colourless liquid hydrocarbon, C₆H₁₂, of the ethylene series, produced artificially, and found as a natural product of distillation of certain coals.
(chemistry) Any of several isomers of hexylene proper.
hexylresorcinol
hexylresorcinol
noun
(organic chemistry) A hexyl derivative of resorcinol that has anaesthetic, antiseptic and antihelmintic properties.
hexyne
hexyne
noun
(organic chemistry) Any aliphatic hydrocarbon having six triple bonds.
huxleyan
huxleyan
Adjective
Of or pertaining to (1894–1963), British writer.
Of or pertaining to (1825–1895), English anatomist, known as "Darwin's Bulldog" for his advocacy of theory of evolution.
hydropneumothorax
hydropneumothorax
noun
(medicine) The presence of both fluid and air in the pleural cavity
hydrosalpinx
hydrosalpinx
noun
A distally blocked Fallopian tube filled with serous or clear fluid.
hydroxamino
hydroxyanthraquinone
hydroxyanthraquinone
noun
(organic chemistry) Any of several organic compounds that can be viewed as derivatives of an anthraquinone through replacement of one hydrogen atom by a hydroxyl group.
hydroxyazobenzene
hydroxybenzene
hydroxybenzene
noun
(organic chemistry) phenol
hydroxycorticosterone
hydroxydehydrocorticosterone
hydroxydesoxycorticosterone
hydroxyketone
hydroxyketone
noun
(organic chemistry) Any hydroxy derivative of a ketone; a ketone with hydroxy group bonded to it.
hydroxylactone
hydroxylactone
noun
(organic chemistry) Any lactone that has a free hydroxy group
hydroxylamine
hydroxylamine
noun
(inorganic chemistry) An explosive inorganic derivative of ammonia, NH₂OH, used as a reducing agent, and in organic synthesis.
(organic chemistry) Any organic derivative of this compound.
hydroxylation
hydroxylation
noun
(organic chemistry) The introduction of a hydroxyl group into a molecule, especially by the replacement of a hydrogen atom
hydroxylization
hydroxyproline
hydroxyproline
noun
(biochemistry) A hydroxy derivative of the amino acid proline found in the structural proteins of connective tissue
hydroxytryptamine
hydroxytryptamine
noun
(organic chemistry) Any hydroxy derivative of tryptamine, but especially 5-hydroxytryptamine (serotonin)
hydroxyzine
hydroxyzine
noun
(pharmacology) A first-generation antihistamine of the piperazine class, used as an antihistamine, antiemetic, anxiolytic, and weak analgesic.
hydroxyzines
hydroxyzines
noun
plural of hydroxyzine
hygroexpansivity
hyperanxious
hyperanxious
adj
Very anxious
hyperexaltation
hyperexcitableness
hyperexcitement
hyperexcitement
noun
A state of very high excitement.
hyperexcursiveness
hyperextend
hyperextend
verb
(medicine) To extend a joint beyond its normal position in a way that stresses the ligaments, often causing injury
hyperextends
hyperextends
verb
Third-person singular simple present indicative form of hyperextend
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.
hyperflexibleness
hyperflexion
hyperflexion
noun
Excessive flexion of a joint.
hypermixolydian
hyperoxidation
hyperoxidation
noun
Excessive oxidation
hyperoxygenate
hyperoxygenate
verb
To oxygenate excessively
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.
hyperoxygenize
hyperoxygenized
hyperoxygenized
adj
Synonym of hyperoxygenated
hyperoxygenizing
hypnotoxin
hypnotoxin
noun
A hypothetical waste product of the brain proposed by Henri Piéron that causes fatigue and is cleansed by sleep.
A venom found in the nematocysts of some cnidarians that acts as a central nervous system depressant leading to inactivity, numbness, paralysis, and coma.
hypomixolydian
hypomixolydian
adj
(music) Describing a mode of church music represented by a major scale from D to G
hypopharynx
hypopharynx
noun
(anatomy) bottom part of the pharynx, the part of the throat that connects to the esophagus
hypopharynxes
hypopharynxes
noun
plural of hypopharynx
hypoxanthic
hypoxanthine
hypoxanthine
noun
(organic chemistry) A bicyclic heterocycle, 3,7-dihydropurin-6-one, that is an intermediate in the biosynthesis of uric acid.
hypoxylon
ichthyotoxin
ichthyotoxin
noun
Any chemical compound that is toxic to fish.
Any toxin produced by fish.
indoxylsulphuric
inexhaustedly
inexhaustedly
adv
Without exhaustion.
inexhaustibility
inexhaustibility
noun
The state or condition of being inexhaustible.
inexhaustibly
inexhaustibly
adv
In an inexhaustible manner.
To an inexhaustible degree.
inexhaustively
inextinguishability
inextinguishability
noun
The state of not being extinguishable.
inextinguishably
inextinguishably
adv
In a way that cannot be extinguished; immortally.
laryngemphraxis
laryngemphraxis
noun
(medicine) The closure or obstruction of the larynx.
laryngopharynx
laryngopharynx
noun
(anatomy) The part of the pharynx below and behind the larynx
laryngopharynxes
lymphocytotoxin
lymphocytotoxin
noun
A toxin that has a specific destructive action on lymphocytes.
lymphotoxin
lymphotoxin
noun
Any of several lymphokines that are toxic to certain cells
maxillopharyngeal
maxillopharyngeal
adj
Relating to the maxilla and the pharynx.
methoxybenzene
methoxybenzene
noun
(organic chemistry) The methyl ether derived from phenol; it is used in perfumery and is an insect pheromone