(biology) The inability of a microorganism to synthesize an organic compound required for its growth, often as a result of mutation.
cacanthrax
callithrix
carbethoxy
carbethoxy
noun
(organic chemistry, especially in combination) The univalent radical -CO-OCH₂CH₃
chaetotaxy
chaetotaxy
noun
(zoology) The arrangement of, and study of arrangement of, chaetae (chitinous bristles) on a species or subspecies of animal, usually and especially an arthropod or annelid.
chatterbox
chatterbox
noun
(computing) Synonym of chatterbot
(informal) One who chats or talks to excess.
A cootie catcher (children's fortune-telling device).
chemotaxis
chemotaxis
noun
(biology, biochemistry) The movement of a cell or an organism in response to a chemical stimulant.
chteauroux
ciphertext
ciphertext
noun
Encoded text, text that is unreadable.
cladothrix
clonothrix
crenothrix
endothorax
endothorax
noun
(zoology) An internal process of the sternal plates in the thorax of insects.
entothorax
entothorax
noun
Alternative form of endothorax
esonarthex
esonarthex
noun
An inner narthex (in a church).
euxanthate
euxanthate
noun
(chemistry) Any salt or ester of euxanthic acid.
euxanthone
euxanthone
noun
(organic chemistry) A naturally occurring xanthonoid with the molecular formula C₁₃H₈O₄.
exanthemas
exchangite
exhalation
exhalation
noun
A bright phenomenon; a meteor.
That which is exhaled, or which rises in the form of vapor, fume, or steam
The act or process of exhaling; breathing out
exhalatory
exhalatory
adj
Of or pertaining to exhalation
exhausting
exhausting
adj
Very tiring.
verb
present participle of exhaust
exhaustion
exhaustion
noun
(dated, chemistry) The removal (by percolation etc) of an active medicinal constituent from plant material.
(dated, physics) The removal of all air from a vessel (the creation of a vacuum).
(mathematics) An exhaustive procedure
Supreme tiredness; having exhausted energy.
The point of complete depletion, of the state of being used up.
exhaustive
exhaustive
adj
(now rare) Causing exhaustion; very tiring
Fully comprehensive
Including every possible element
exheredate
exheredate
verb
To disinherit.
exhibitant
exhibiters
exhibiters
noun
plural of exhibiter
exhibiting
exhibiting
verb
present participle of exhibit
exhibition
exhibition
noun
(UK) A financial award or prize given to a student (who becomes an exhibitioner) by a school or university, usually on the basis of academic merit.
(sports) A game which does not impact the standings for any major cup or competition.
A demonstration of personal skill or feelings.
A large-scale public showing of objects or products.
A public display, intentional or otherwise, generally characterised as negative, a shameful exhibition or a disgusting exhibition
An instance of exhibiting, or something exhibited.
exhibitive
exhibitive
adj
Serving for exhibition; representative.
exhibitors
exhibitors
noun
plural of exhibitor
exhibitory
exhibitory
adj
exhibiting; publicly showing
exhilarant
exhilarant
adj
Exciting joy, mirth, or pleasure.
noun
That which exhilarates.
exhilarate
exhilarate
verb
(transitive) To cheer, to cheer up, to gladden, to make happy.
(transitive) To excite, to thrill.
exhortator
exhumating
exhumating
verb
present participle of exhumate
exhumation
exhumation
noun
The act of digging up that which has been buried.
exhumatory
exhumatory
adj
Relating to exhumation or disinterment.
exonarthex
exonarthex
noun
(architecture, Christianity) The space anterior to the narthex of a church, sometimes roofed-over as with a porch, but more often an enclosed courtyard; in antiquity, the courtyard where catechumens were permitted to be close to the Eucharist, but forbidden to see it celebrated.
exothecate
exothecium
exothecium
noun
(botany) The outer coat of the anther.
exothermal
exothermal
adj
exothermic
exothermic
exothermic
adj
(chemistry, of a compound) That releases heat during its formation, and absorbs it during its decomposition.
(chemistry, of a reaction) That releases energy in the form of heat.
(zoology) Of an animal: whose body temperature is regulated by external factors; cold-blooded.
expertship
expertship
noun
The role or status of an expert.
externship
externship
noun
An experiential learning opportunity, usually offered by a school, similar to an internship, but generally shorter in duration.
extinguish
extinguish
verb
(intransitive) To die out.
(transitive) To destroy or abolish something.
(transitive) To obscure or eclipse something.
(transitive) To put out, as in fire; to end burning; to quench.
(transitive, literally) To hunt down (a species) to extinction.
(transitive, psychology) To bring about the extinction of a conditioned reflex.
extrahuman
extrahuman
noun
Synonym of nonhuman
Synonym of parahuman
haemotoxic
haemotoxic
adj
Alternative form of hemotoxic
haemotoxin
haemotoxin
noun
Alternative form of hemotoxin
heliotaxis
heliotaxis
noun
Movement of an organism away from sunlight; negative heliotaxis.
Movement of an organism toward sunlight; positive heliotaxis.
hemiataxia
hemiataxia
noun
ataxia on one side of the body.
hemothorax
hemothorax
noun
(pathology) A condition resulting from accumulation of blood in the pleural cavity
hepatopexy
hepatopexy
noun
(surgery) Surgical anchoring of a displaced liver to the abdominal wall.
heretrixes
heritrixes
heteraxial
heterodoxy
heterodoxy
noun
A heterodox belief, creed, or teaching.
The quality of being heterodox.
heterotaxy
heterotaxy
noun
(dated) heterotaxis
hexactinal
hexactinal
adj
(biology) Having six rays.
hexameters
hexameters
noun
plural of hexameter
hexametral
hexametral
adj
hexametric
hexametric
hexametric
adj
Relating to or exhibiting hexameter
hexasticha
hexastichy
hexastylar
hexastylos
hexatriose
hexavalent
hexavalent
adj
(chemistry) Having an atomic valence of 6.
(medicine) Having a vaccine valence of 6.
hexoestrol
hexoestrol
noun
Alternative form of hexestrol
hexpartite
hexpartite
adj
hexapartite
homotaxial
homotaxial
adj
(biology) Relating to homotaxis.
hydrotaxis
hydrotaxis
noun
(biology) movement (of an organism or organ) in response to water
hypertoxic
hypertoxic
adj
(rare, toxicology) Excessively toxic.
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.
ilixanthin
ilixanthin
noun
(archaic) A yellow dye obtained from holly leaves.
inheritrix
inheritrix
noun
female inheritor; heiress
ketohexose
ketohexose
noun
(biochemistry) Any hexose containing a ketone group.
kitkahaxki
leptothrix
matchboxes
matchboxes
noun
plural of matchbox
medithorax
mesothorax
mesothorax
noun
(entomology) The middle of the three segments of the thorax of an insect, carrying the second pair of legs, and the forewings when present.
metathorax
metathorax
noun
(entomology) The hindmost of the three sections of the thorax of an insect, carrying the posterior pair of legs and the hindwings when present.
ochratoxin
ochratoxin
noun
(toxicology) Any of a class of mycotoxins, having an isocoumarin structure, produced by some fungi of the genus Aspergillus and others
oleothorax
orthodoxal
orthodoxal
adj
Pertaining to, or evincing, orthodoxy; orthodox.
orthodoxes
orthodoxly
orthodoxly
adv
In a correct or proper way; conventionally; correctly.
In a religiously orthodox way; in accordance with accepted religious doctrine.
orthopraxy
orthopraxy
noun
Correct practice or action
Right belief combined with right practice, with the emphasis being on the latter, a term specially used in Latin American liberation theology, often in contrast with an orthodoxy seen as insufficiently interested in the practical and political content of faith.
orthoxazin
oxamethane
oxamethane
noun
(chemistry) Ethyl oxamate, obtained as a white scaly crystalline powder.
oxyhematin
oxyhydrate
oxyhydrate
noun
(inorganic chemistry) A hydrated oxide
oxyophitic
phantoplex
phantoplex
noun
(historical, chiefly attributive) A superposed circuit operated by alternating current over a simplex, duplex or quadruplex circuit operated from direct current sources.
phoenixity
phototaxis
phototaxis
noun
(biology) The movement of an organism either towards or away from a source of light
phyllotaxy
phyllotaxy
noun
phyllotaxis
phytotoxic
phytotoxic
adj
(biochemistry) Characteristic of a phytotoxin.
phytotoxin
phytotoxin
noun
(biochemistry) Any toxic substance produced by a plant.
preexhaust
preexhibit
reexhibits
reexhibits
verb
Third-person singular simple present indicative form of reexhibit
rhizotaxis
rhizotaxis
noun
(botany) The arrangement of the roots of plants.
sextonship
sextonship
noun
The office or position of a sexton.
sixteenths
sixteenths
noun
plural of sixteenth
theomastix
theoxenius
thixotropy
thixotropy
noun
(medicine) The property of certain gels whereby they become fluids when agitated and return to being solid or semi-solid when allowed to stand.
(physics) The reduction of viscosity with increased shear
thunderbox
thunderbox
noun
(by extension, chiefly Australia, Britain, slang) Any lavatory or toilet, especially a rudimentary outdoor latrine or toilet, or an outhouse.
(military, obsolete) A blunderbuss; also, a cannon.
(slang) A chamber pot enclosed in a box; a portable commode.
(theater) A box of metal balls which is shaken to create a thunder sound effect.
thyrotoxic
thyrotoxic
adj
Marked by toxic activity of the thyroid gland.
thyroxinic
toxihaemia
toxiphagus
toxiphobia
toxiphobia
noun
Alternative form of toxicophobia
toxiphoric
toxophobia
toxophoric
toxophoric
adj
Alternative form of toxicophoric
trichauxis
trichauxis
noun
(medicine, rare) hypertrichosis
trichoplax
trihydroxy
trihydroxy
noun
(organic chemistry, in combination) Three hydroxy groups in a molecule
trimethoxy
trimethoxy
noun
(organic chemistry, especially in combination) Three methoxy groups in a molecule
trithrinax
typhlopexy
unexhorted
unexhorted
adj
Not exhorted.
unorthodox
unorthodox
adj
Unusual, unconventional, or idiosyncratic.
uroxanthin
uroxanthin
noun
(obsolete) The yellow pigment in urine.
waxhearted
xanthaline
xanthaline
noun
Synonym of papaveraldine
xanthamide
xanthamide
noun
(chemistry) The amide of xanthic acid.
xanthation
xanthation
noun
(chemistry) Conversion into a xanthate.
xanthidium
xanthiuria
xanthiuria
noun
Dated form of xanthinuria.
xanthocone
xanthocone
noun
Synonym of xanthoconite
xanthoderm
xanthoderm
noun
One who is afflicted by xanthoderma.
xanthodont
xanthodont
noun
(rare, formal or humorous) A person who has yellow teeth.
xanthomata
xanthophyl
xanthophyl
noun
Dated form of xanthophyll.
xanthopsia
xanthopsia
noun
A visual defect, a form of chromatopsia in which everything appears yellow.
xanthopsin
xanthopsin
noun
visual yellow; any of a form of visual purple that has been bleached by exposure to light
xanthosoma
xanthydrol
xanthydrol
noun
(organic chemistry) An organic compound with chemical formula C₁₃H₁₀O₂, used to test the levels of urea in the bloodstream.
xenarthral
xenarthral
adj
(zoology) Having unusual joints.
xenolithic
xenolithic
adj
Being or pertaining to a xenolith.
xerophytic
xerophytic
adj
(botany) Of, pertaining to, or being a xerophyte
(ecology) Having a very dry environment
noun
xerophyte
xylanthrax
xylanthrax
noun
(archaic) Wood coal or charcoal, distinguished from mineral coal; lignite.
xyrichthys
zeaxanthin
zeaxanthin
noun
(organic chemistry) A yellow crystalline carotenoid alcohol that occurs widely with lutein, with which it is isomeric, and is the chief pigment of maize