(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
hypnotised
hypnotised
verb
simple past tense and past participle of hypnotise
nymphoides
pistonhead
pondfishes
pondfishes
noun
plural of pondfish
siphonated
sphenoidal
sphenoidal
adj
Synonym of sphenoid
sphenopsid
sphenopsid
noun
Any horsetail of the former order Sphenopsida, now Equisetopsida