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Webster’s Dictionary (1828)



316 words match “AXIS”

DRUMLIN n.
f compact, unstratified, glacial drift or till, usually elongate or oval, with the larger axis parallel to the former local glacial motion.
ECCENTRIC a. 2 definitions
ric is transmitted, as in the steam engine. (b) A cogwheel set to turn about an eccentric axis used to give variable rotation. -- Eccentric hook or gab, a hook-shaped journal box on the end of an eccentric rod, opposite the strap. -- Eccentric rod, the rod that connects as eccentric strap with any part to be acted up…
ECCENTRICITY n. 3 definitions
stance between the center and the focus of an ellipse or hyperbola to its semi-transverse axis.
ELASTIC a.
ly at one end and loaded at the other. (b) (Mech.) The figure assumed by the longitudinal axis of an originally straight bar under any system of bending forces. Rankine. -- Elastic fluids, those which have the property of expanding in all directions on the removal of external pressure, as the air, steam, and other gas…
ELEVATION n.
The movement of the axis of a piece in a vertical plane; also, the angle of elevation, that is, the angle between the axis of the piece and the line odirection.
ELLIPSE n.
n of a cone through its opposite sides. The greatest diameter of the ellipse is the major axis, and the least diameter is the minor axis. See Conic section, under Conic, and cf. Focus.
EPAXIAL a.
Above, or on the dorsal side of, the axis of the skeleton; episkeletal.
EPICYCLIC a.
, in which an arm, carrying one or more of the wheels, sweeps around a center lying in an axis common to the other wheels.
EPIMERE n.
One of the segments of the transverse axis, or the so called homonymous parts; as, for example, one of the several segments of the extremities in vertebrates, or one of the similar segments in plants, such as the segments of a segmented leaf. Syd. Soc. Lex.
EQUATOR n.
le whose plane passes through through the center of the body, and is perpendicular to its axis of revolution. -- Magnetic equator. See Aclinic.
EQUATORIAL n.
as to have two axes of motion at right angles to each other, one of them parallel to the axis of the earth, and each carrying a graduated circle, the one for measuring declination, and the other right ascension, or the hour angle, so that the telescope may be directed, even in the daytime, to any star or other object…
EXTRORSE a.
Facing outwards, or away from the axis of growth; -- said esp. of anthers occupying the outer side of the filament.
FEATHER n.
The angular adjustment of an oar or paddle-wheel float, with reference to a horizontal axis, as it leaves or enters the water.
FLEXION n.
t motion of a joint which gives the distal member a continually decreasing angle with the axis of the proximal part; -- distinguished from extension.
FLY n. 2 definitions
Two or more vanes set on a revolving axis, to act as a fanner, or to equalize or impede the motion of machinery by the resistance of the air, as in the striking part of a clock.
GALVANOTROPISM n.
The tendency of a root to place its axis in the line of a galvanic current.
GIMBAL; GIMBALS n.
pped, as by the rolling of a ship. It consists of a ring in which the body can turn on an axis through a diameter of the ring, while the ring itself is so pivoted to its support that it can turn about a diameter at right angles to the first. Gimbal joint (Mach.), a universal joint embodying the principle of the gimbal.…
GINGLYMODI n.
ssil forms. They have rhombic, ganoid scales, a heterocercal tail, paired fins without an axis, fulcra on the fins, and a bony skeleton, with the vertebræ convex in front and concave behind, forming a ball and socket joint. See Ganoidel.
GLOBULAR a.
pon a plane parallel to the base of the hemisphere, the point of sight being taken in the axis produced beyond the surface of the opposite hemisphere a distance equal to the radius of the sphere into the sine of 45º. -- Globular sailing, sailing on the arc of a great circle, or so as to make the shortest distance betw…
GNOMON n.
which by its shadow, shows the hour of the day. It is usually set parallel to the earth's axis.
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