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Webster’s Dictionary (1828)



71 words match “EXPANSION”

INEXPANSIBLE a.
Incapable of expansion, enlargement, or extension. Tyndall.
INFLATION n. 2 definitions
or process of inflating, or the state of being inflated, as with air or gas; distention; expansion; enlargement. Boyle.
INTUMESCENCE n.
The act or process of swelling or enlarging; also, the state of being swollen; expansion; tumidity; especially, the swelling up of bodies under the action of heat. The intumescence of nations. Johnson.
LATENT a.
le producing some change in it other than rise of temperature, as fusion, evaporation, or expansion, the quantity being constant for each particular body and for each species of change. -- Latent period. (a) (Med.) The regular time in which a disease is supposed to be existing without manifesting itself. (b) (Physiol.…
LEAF n.
A colored, usually green, expansion growing from the side of a stem or rootstock, in which the sap for the use of the plant is elaborated under the influence of light; one of the parts of a plant which collectively constitute its foliage.
LEAF-FOOTED a.
Having leaflike expansions on the legs; -- said of certain insects; as, the leaf-footed bug (Leptoglossus phyllopus).
LIQUID AIR n.
trogen. It is prepared by subjecting air to great pressure and then cooling it by its own expansion to a temperature below the boiling point of its constituents (N -194º C; O -183º C.).
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.
OTTO CYCLE n.
, compression, ignition, and explosion of this charge; third stroke (the working stroke), expansion of the gases; fourth stroke, expulsion of the products of combustion from the cylinder. This is the cycle invented by Beau de Rochas in 1862 and applied by Dr. Otto in 1877 in the Otto-Crossley gas engine, the first comm…
PATAGIUM n.
In bats, an expansion of the integument uniting the fore limb with the body and extending between the elongated fingers to form the wing; in birds, the similar fold of integument uniting the fore limb with the body.
PITCHER n.
A tubular or cuplike appendage or expansion of the leaves of certain plants. American pitcher plants, the species of Sarracenia. See Sarracenia. -- Australian pitcher plant, the Cephalotus follicularis, a low saxifragaceous herb having two kinds of radical leaves, some oblanceolate and entire, others transformed into…
PLANT n.
en complete, a root, stem, and leaves, though consisting sometimes only of a single leafy expansion, or a series of cellules, or even a single cellule.
PULMOGRADE a.
Swimming by the expansion and contraction, or lunglike movement, of the body, or of the disk, as do the medusæ.
PYROMETER n.
An instrument used for measuring the expansion of solid bodies by heat.
PYROMETRY n.
The art of measuring degrees of heat, or the expansion of bodies by heat.
RELAY CYLINDER n.
In a variable expansion central-valve engine, a small auxiliary engine for automatically adjusting the steam distribution to the load on the main engine. [Webster 1913 Suppl.]
REPTILIAN a.
eriods, and distinguished as that era in which the class of reptiles attained its highest expansion; -- called also the Secondary or Mezozoic age.
RHAMPHORHYNCHUS n.
A genus of pterodactyls in which the elongated tail supported a leathery expansion at the tip.
ROCK n.
e northen parts of America, and forming broad, flat, coriaceous, dark fuscous or blackish expansions. It has been used as food in cases of extremity. -- Rock trout (Zoöl.), any one of several species of marine food fishes of the genus Hexagrammus, family Chiradæ, native of the North Pacific coasts; -- called also sea…
ROCKET n.
to a guiding stick. The rocket is projected through the air by the force arising from the expansion of the gases liberated by combustion of the composition. Rockets are used as projectiles for various purposes, for signals, and also for pyrotechnic display.
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