(chemistry) any of a class of cyclic α-diketones which exist as enols
diphosgene
diphosgene
noun
(organic chemistry) The highly chlorinated ester trichloromethyl chloroformate that is used in organic synthesis, and was once used as a military poison
disphenoid
disphenoid
adj
(mineralogy) Of or pertaining to a crystal form bounded by eight scalene triangles arranged in pairs, constituting a tetragonal scalenohedron.
(mineralogy) Of or pertaining to a wedge-shaped crystal form of the tetragonal or orthorhombic system.
noun
(geometry) A non-regular tetrahedron whose four faces are congruent acute-angled triangles.
disulphone
docentship
endophasia
endophasia
noun
Internal speech that is not vocalized.
endophasic
endophasic
adj
Being or pertaining to endophasia (internal, unvocalized speech).
endosiphon
euphonised
euphonised
verb
simple past tense and past participle of euphonise
headphones
headphones
noun
A pair of cushioned speakers worn over or in the ears so only the wearer can hear the sound.
hypnotised
hypnotised
verb
simple past tense and past participle of hypnotise
nonplushed
nonplushed
adj
(dated, pronunciation spelling) nonplussed
nymphoides
penthoused
penthoused
adj
(archaic) Furnished with a penthouse or exterior building.
personhood
personhood
noun
The state or period of being a person.
The status of being considered as a person.
phenacodus
pistonhead
pondfishes
pondfishes
noun
plural of pondfish
siphonated
snapholder
sphenodont
sphenodont
noun
(zoology) Any member of the order Sphenodontida
sphenoidal
sphenoidal
adj
Synonym of sphenoid
sphenopsid
sphenopsid
noun
Any horsetail of the former order Sphenopsida, now Equisetopsida