(historical) A telephonic instrument for office or similar use, having a sound-magnifying device enabling the ordinary mouthpiece to be dispensed with. It was sometimes used for covertly recording conversations.
diphthongs
diphthongs
noun
plural of diphthong
ditriglyph
ditriglyph
noun
(architecture) A space for two triglyphs in the entablature between columns.
dittograph
dittograph
noun
An instance of dittography in a text.
gnathopoda
gnathopoda
noun
(obsolete) plural of gnathopod
gomphodont
gomphodont
noun
Any cynodont of the taxon Gomphodontia
graphitoid
graphitoid
adj
Resembling graphite.
hedgetaper
speedlight
speedlight
noun
(photography) A flashgun that is not fixed to a camera
