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The cutting off or suppression of a vowel or syllable, for the sake of meter or euphony; esp., in poetry, the dropping of a final vowel standing before an initial vowel in the following word, when the two words are drawn together.

of a circle, or an oblique section 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.

erence to the figure of the earth, the difference between the equatorial and polar semidiameters, divided by the equatorial; thus, the ellipticity of the earth is

e wood in the form of bundles or threads, irregularly distributed throughout the whole diameter, not forming annual layers, and with no distinct pith. The leaves of the endogens have, usually, parallel veins, their flowers are mostly in three, or some multiple of three, parts, and their embryos have but a single cotyle…

l restraints. Barrow. Enlarging hammer, a hammer with a slightly rounded face of large diameter; -- used by gold beaters. Knight. -- To enlarge an order or rule (Law), to extend the time for complying with it. Abbott. -- To enlarge one's self, to give free vent to speech; to spread out discourse. "They enlarged thems…

a straight line when the wheel rolls around inside a fixed internal gear of twice its diameter.

To commemorate by an epitaph. [R.] Let me be epitaphed the inventor of English hexameters. G. Harvey.

Having wheels of the same size or diameter; having equal rotation. [R.]

called Joule's equivalent, and represented by the symbol J. This is equal to 424 kilogram meters (Centigrade scale). A more recent determination by Professor Rowland gives the value 426.9 kilogram meters, for the latitude of Baltimore.

S. system, being the amount of work done by a dyne working through a distance of one centimeter; the amount of energy expended in moving a body one centimeter against a force of one dyne. One foot pound is equal to 13,560,000 ergs.

A Greek geometer of the 3d century

Of or pertaining to a eudiometer; as, eudiometrical experiments or results.

e art or process of determining he constituents of a gaseous mixture by means of the eudiometer, or for ascertaining the purity of the air or the amount of oxygen in it.

An hexameter. [Obs.] Chaucer.

bit or drill made adjustable for holes of various sizes; one which can be expanded in diameter while boring. -- Expanding pulley (Mach.), a pulley so made, as in sections, that its diameter can be increased or diminished.

Conforming to the scale used by Gabriel Daniel Fahrenheit in the graduation of his thermometer; of or relating to Fahrenheit's thermometric scale. -- n.

vity; to drop; to sink; as, the apple falls; the tide falls; the mercury falls in the barometer. I beheld Satan as lightning fall from heaven. Luke x. 18.

he body. -- Fiddle block (Naut.), a long tackle block having two sheaves of different diameters in the same plane, instead of side by side as in a common double block. Knight. -- Fiddle bow, fiddlestick. -- Fiddle fish (Zoöl.), the angel fish. -- Fiddle head, an ornament on a ship's bow, curved like the volute or s…

rized by threads stretched across the field of view; as, a filar microscope; a filar micrometer.

which, fills; something used for filling. 'T is mere filer, to stop a vacancy in the hexameter. Dryden. They have six diggers to four fillers, so as to keep the fillers always at work. Mortimer.