(psychoanalysis) The concentration of libido or emotional energy on a single object or idea.
chateaux
chateaux
noun
plural of chateau
ethoxide
ethoxide
noun
(chemistry) any salt of this anion
(chemistry) the anion CH₃CH₂O⁻ derived from ethanol by the loss of a proton
ethoxies
ethoxyls
ethoxyls
noun
plural of ethoxyl
exanthem
exanthem
noun
A widespread rash usually occurring in children.
exhalant
exhalant
adj
exhaling (emitting a fluid)
noun
Something that emits a fluid
exhalate
exhalate
verb
to breathe out or upon.
exhalent
exhalent
adj
Alternative form of exhalant
exhausts
exhausts
noun
plural of exhaust
verb
Third-person singular simple present indicative form of exhaust
exhibits
exhibits
noun
plural of exhibit
verb
Third-person singular simple present indicative form of exhibit
exhorted
exhorted
verb
simple past tense and past participle of exhort
exhorter
exhorter
noun
(Protestantism) A lay preacher.
(rare) A person who exhorts.
exhumate
exhumate
verb
(obsolete) To exhume; to disinter.
exotheca
exotheca
noun
(zoology) The tissue that fills the interspaces between the costae of many madreporarian corals, usually consisting of small transverse or oblique septa.
exsheath
exsheath
verb
To remove from a sheath
hatboxes
hatboxes
noun
plural of hatbox
heretrix
heretrix
noun
Alternative form of heritrix
heritrix
hexaglot
hexaglot
adj
(rare) In six languages.
hexamita
hexaster
hexaster
noun
(zoology) A hexact with axes that branch into rays at the extremity.
hotboxes
hotboxes
noun
plural of hotbox
verb
Third-person singular simple present indicative form of hotbox
huxtable
methoxyl
methoxyl
noun
(organic chemistry) A univalent radical, CH₃O-, derived from methanol
oxhearts
oxhearts
noun
plural of oxheart
oxyether
oxyethyl
oxyphyte
sixtieth
sixtieth
adj
The ordinal form of the number sixty.
noun
One of sixty equal parts of a whole.
The person or thing in the sixtieth position.
thioxene
thioxene
noun
(chemistry) Any of three possible metameric substances that are dimethyl derivatives of thiophene, like the xylenes from benzene.
thoraxes
thrsieux
xanthane
xanthane
noun
Archaic form of xanthan.
xanthate
xanthate
noun
(chemistry) Any salt or ester of xanthic acid.
xanthein
xanthein
noun
(chemistry) The water-soluble part of the yellow carotenoid pigment present in the cell sap of some plants.
xanthene
xanthene
noun
(organic chemistry) any of a group of tricyclic heterocycles (dibenzopyrans) that are the basis for a range of dyes such as fluorescein and eosin
xanthide
xanthide
noun
(dated, organic chemistry) Any derivative of xanthogen
xanthine
xanthine
noun
(chemistry) Any of a group of alkaloids that include caffeine, theophylline, and theobromine as well as the parent compound, a precursor of uric acid found in many organs of the body.
xanthite
xanthite
noun
A variety of vesuvianite found in limestone near Amity, New York.
xanthone
xanthone
noun
(organic chemistry) An aromatic ketone, 9-oxo-xanthene, that is used as an insecticide.
xenolith
xenolith
noun
(geology) any piece of rock having a different origin to that of the igneous rock in which it is found