Definition of when

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When (adv.) At what time; -- used interrogatively.

Lern More About When

Drawbore :: Drawbore (n.) A hole bored through a tenon nearer to the shoulder than the holes through the cheeks are to the edge or abutment against which the shoulder is to rest, so that a pin or bolt, when driven into it, will draw these parts together..
Synergistic :: Synergist (n.) A remedy which has an action similar to that of another remedy, and hence increases the efficiency of that remedy when combined with it..
Slip :: Slip (n.) A portion of the columns of a newspaper or other work struck off by itself; a proof from a column of type when set up and in the galley.
Talipot :: Talipot (n.) A beautiful tropical palm tree (Corypha umbraculifera), a native of Ceylon and the Malabar coast. It has a trunk sixty or seventy feet high, bearing a crown of gigantic fan-shaped leaves which are used as umbrellas and as fans in ceremonial processions, and, when cut into strips, as a substitute for writing paper..
Fluctuation :: Fluctuation (n.) The motion or undulation of a fluid collected in a natural or artifical cavity, which is felt when it is subjected to pressure or percussion..
Pulp :: Pulp (n.) The material of which paper is made when ground up and suspended in water.
Fender :: Fender (v. t. & i.) Anything serving as a cushion to lessen the shock when a vessel comes in contact with another vessel or a wharf.
Oversman :: Oversman (n.) An umpire; a third arbiter, appointed when two arbiters, previously selected, disagree..
Idea :: Idea (n.) A fiction object or picture created by the imagination; the same when proposed as a pattern to be copied, or a standard to be reached; one of the archetypes or patterns of created things, conceived by the Platonists to have excited objectively from eternity in the mind of the Deity..
Aethrioscope :: Aethrioscope (n.) An instrument consisting in part of a differential thermometer. It is used for measuring changes of temperature produced by different conditions of the sky, as when clear or clouded..
Dinosauria :: Dinosauria (n. pl.) An order of extinct mesozoic reptiles, mostly of large size (whence the name). Notwithstanding their size, they present birdlike characters in the skeleton, esp. in the pelvis and hind limbs. Some walked on their three-toed hind feet, thus producing the large bird tracks, so-called, of mesozoic sandstones; others were five-toed and quadrupedal. See Illust. of Compsognathus, also Illustration of Dinosaur in Appendix..
Trichina :: Trichina (n.) A small, slender nematoid worm (Trichina spiralis) which, in the larval state, is parasitic, often in immense numbers, in the voluntary muscles of man, the hog, and many other animals. When insufficiently cooked meat containing the larvae is swallowed by man, they are liberated and rapidly become adult, pair, and the ovoviviparous females produce in a short time large numbers of young which find their way into the muscles, either directly, or indirectly by means of the blood. Their
Longbow :: Longbow (n.) The ordinary bow, not mounted on a stock; -- so called in distinction from the crossbow when both were used as weapons of war. Also, sometimes, such a bow of about the height of a man, as distinguished from a much shorter one..
Aberration :: Aberration (n.) The convergence to different foci, by a lens or mirror, of rays of light emanating from one and the same point, or the deviation of such rays from a single focus; called spherical aberration, when due to the spherical form of the lens or mirror, such form giving different foci for central and marginal rays; and chromatic aberration, when due to different refrangibilities of the colored rays of the spectrum, those of each color having a distinct focus..
Galactose :: Galactose (n.) A white, crystalline sugar, C6H12O6, isomeric with dextrose, obtained by the decomposition of milk sugar, and also from certain gums. When oxidized it forms mucic acid. Called also lactose (though it is not lactose proper)..
Syphilize :: Syphilization (n.) Inoculation with the syphilitic virus, especially when employed as a preventive measure, like vaccination..
Solenoid :: Solenoid (n.) An electrodynamic spiral having the conjuctive wire turned back along its axis, so as to neutralize that component of the effect of the current which is due to the length of the spiral, and reduce the whole effect to that of a series of equal and parallel circular currents. When traversed by a current the solenoid exhibits polarity and attraction or repulsion, like a magnet..
Whip :: Whip (v. t.) A person (as a member of Parliament) appointed to enforce party discipline, and secure the attendance of the members of a Parliament party at any important session, especially when their votes are needed..
Candlebomb :: Candlebomb (n.) A pasteboard shell used in signaling. It is filled with a composition which makes a brilliant light when it explodes.
Hemihedral :: Hemihedral (a.) Having half of the similar parts of a crystals, instead of all; consisting of half the planes which full symmetry would require, as when a cube has planes only on half of its eight solid angles, or one plane out of a pair on each of its edges; or as in the case of a tetrahedron, which is hemihedral to an octahedron, it being contained under four of the planes of an octahedron..
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