Search the Dictionary

Webster’s Dictionary (1828)



2,097 words match “TAC”

AMPHIPODA n.
A numerous group of fourteen -- footed Crustacea, inhabiting both fresh and salt water. The body is usually compressed laterally, and the anterior pairs or legs are directed downward and forward, but the posterior legs are usually turned upward and backward. The beach flea is an example. See Tetradecapoda and Arthrostr…
AMPHITROPAL; AMPHITROPOUS a.
Having the ovule inverted, but with the attachment near the middle of one side; half anatropous.
AMUCK a.
ut in a state of frenzy, as the Malays sometimes do under the influence of "bhang," and attack every one that comes in the way; to assail recklessly and indiscriminately. Satire's my weapon, but I'm too discreet To run amuck, and tilt at all I meet. Pope.
AMYGDALOID n.
inerals, esp. agates, quartz, calcite, and the zeolites. When the imbedded minerals are detached or removed by decomposition, it is porous, like lava.
ANACOLUTHON n.
an instance of a change of construction in a sentence so that the latter part does not syntactically correspond with the first part.
ANALEPSIS; ANALEPSY n.
A species of epileptic attack, originating from gastric disorder.
ANCHOR n.
A iron instrument which is attached to a ship by a cable (rope or chain), and which, being cast overboard, lays hold of the earth by a fluke or hook and thus retains the ship in a particular station.
ANECDOTE n.
A particular or detached incident or fact of an interesting nature; a biographical incident or fragment; a single passage of private life.
ANGLE n.
A fishhook; tackle for catching fish, consisting of a line, hook, and bait, with or without a rod. Give me mine angle: we 'll to the river there. Shak. A fisher next his trembling angle bears. Pope. Acute angle, one less than a right angle, or less than 90º. -- Adjacent or Contiguous angles, such as have one leg commo…
ANGLICANISM n.
Attachment to England or English institutions.
ANGLOMANIA n.
A mania for, or an inordinate attachment to, English customs, institutions, etc.
ANGUSTATION n.
The act or making narrow; a straitening or contacting. Wiseman.
ANISOPODA n.
A division of Crustacea, which, in some its characteristics, is intermediate between Amphipoda and Isopoda.
ANNEX v. 2 definitions
To join or attach; usually to subjoin; to affix; to append; -- followed by to. "He annexed a codicil to a will." Johnson.
ANNEXATION n.
The act of annexing; process of attaching, adding, or appending; the act of connecting; union; as, the annexation of Texas to the United States, or of chattels to the freehold.
ANOMIA n.
o the oyster, so called from their unequal valves, of which the lower is perforated for attachment.
ANOMURA; ANOMOURA n.
A group of decapod Crustacea, of which the hermit crab in an example.
ANOMURAL; ANOMURAN a.
Irregular in the character of the tail or abdomen; as, the anomural crustaceans. [Written also anomoural, anomouran.]
ANTENNA n.
A movable, articulated organ of sensation, attached to the heads of insects and Crustacea. There are two in the former, and usually four in the latter. They are used as organs of touch, and in some species of Crustacea the cavity of the ear is situated near the basal joint. In insects, they are popularly called horns,…
ANTENNULE n.
A small antenna; -- applied to the smaller pair of antennæ or feelers of Crustacea.
← Previous Page 17 of 105 Next →