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Webster’s Dictionary (1828)



2,263 words match “POI”

CURARINE n.
A deadly alkaloid extracted from the curare poison and from the Strychnos toxifera. It is obtained in crystalline colorless salts.
CURARIZE v.
To poison with curare.
CURATOR n.
One appointed to act as guardian of the estate of a person not legally competent to manage it, or of an absentee; a trustee; a guardian.
CURTANA n.
The pointless sword carried before English monarchs at their coronation, and emblematically considered as the sword of mercy; -- also called the sword of Edward the Confessor.
CURTATE a.
, as measured in the plane of the ecliptic, or the distance from the sun or earth to that point where a perpendicular, let fall from the planet upon the plane of the ecliptic, meets the ecliptic. Curtate cycloid. (Math.) See Cycloid.
CURVATURE n.
The amount of degree of bending of a mathematical curve, or the tendency at any point to depart from a tangent drawn to the curve at that point. Aberrancy of curvature (Geom.), the deviation of a curve from a curcular form. -Absolute curvature. See under Absolute. -- Angle of curvature (Geom.), one that expresses the…
CURVE n.
rone. -- Curve tracing (Math.), the process of determining the shape, location, singular points, and other perculiarities of a curve from its equation. -- Plane curve (Geom.), a curve such that when a plane passes through three points of the curve, it passes through all the other points of the curve. Any other curve…
CUSP n. 4 definitions
The point or horn of the crescent moon or other crescent-shaped luminary.
CUSPATED a.
Ending in a point.
CUSPID n.
One of the canine teeth; -- so called from having but one point or cusp on the crown. See Tooth.
CUSPIDAL a.
Ending in a point.
CUSPIDATE v.
To make pointed or sharp.
CUSPIDATE; CUSPIDATED a.
Having a sharp end, like the point of a spear; terminating in a hard point; as, a cuspidate leaf.
CUSPIS n.
A point; a sharp end.
CUT v. 2 definitions
To absent one's self from; as, to cut an appointment, a recitation. etc. [Colloq.] An English tradesman is always solicitous to cut the shop whenever he can do so with impunity. Thomas Hamilton. To cut a caper. See under Caper. -- To cut the cards, to divide a pack of cards into portions, in order to determine the dea…
CUT-OFF n.
m by which steam is cut off from entering the cylinder of a steam engine after a definite point in a stroke, so as to allow the remainder of the stroke to be made by the expansive force of the steam already let in. See Expansion gear, under Expansion.
CYANOGEN n.
A colorless, inflammable, poisonous gas, C2N2, with a peach- blossom odor, so called from its tendency to form blue compounds; obtained by heating ammonium oxalate, mercuric cyanide, etc. It is obtained in combination, forming an alkaline cyanide when nitrogen or a nitrogenous compound is strongly ignited with carbon a…
CYCLAMEN n.
ing depressed rounded corms, and pretty nodding flowers with the petals so reflexed as to point upwards, whence it is called rabbit's ears. It is also called sow bread, because hogs are said to eat the corms.
CYCLOID n.
A curve generated by a point in the plane of a circle when the circle is rolled along a straight line, keeping always in the same plane.
DAG v.
To cut into jags or points; to slash; as, to dag a garment. [Obs.] Wright.
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