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Webster’s Dictionary (1828)



2,097 words match “TAC”

METACHLORAL n.
A white, amorphous, insoluble substance regarded as a polymeric variety of chloral.
METACHRONISM n.
An error committed in chronology by placing an event after its real time.
METACHROSIS n.
The power og changing color at will by the expansion of special pigment cells, under nerve influence, as seen in many reptiles, fishes, etc. Cope.
METACINNABARITE n.
Sulphide of mercury in isometric form and black in color.
METACISM n.
A defect in pronouncing the letter m, or a too frequent use of it.
METACROLEIN n.
A polymeric modification of acrolein obtained by heating it with caustic potash. It is a crystalline substance having an aromatic odor.
METACROMION n.
A process projecting backward and downward from the acromion of the scapula of some mammals.
MOTACIL n.
Any singing bird of the genus Motacilla; a wagtail.
MOUSTACHE n.
Mustache.
MUSTAC n.
A small tufted monkey.
MUSTACHE n. 3 definitions
That part of the beard which grows on the upper lip; hair left growing above the mouth.
MUSTACHO n.
A mustache. Longfellow.
MUSTACHOED a.
Having mustachios.
MUTACISM n.
See Mytacism.
MYRTACEOUS a.
pertaining to, or resembling, a large and important natural order of trees and shrubs (Myrtaceæ), of which the myrtle is the type. It includes the genera Eucalyptus, Pimenta, Lechythis, and about seventy more.
MYSTACAL a.
Of or pertaining to the upper lip, or mustache.
MYTACISM n.
Too frequent use of the letter m, or of the sound represented by it.
NOEMATACHOGRAPH n.
An instrument for determining and registering the duration of more or less complex operations of the mind. Dunglison.
NUCAMENTACEOUS a.
tructure or in being indehiscent; bearing one-seeded nutlike fruits. [Written also nucumentaceous.]
NUCUMENTACEOUS a.
See Nucamentaceous.
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