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onverging lens and a diverging lens of equal and opposite astigmatism but different focal lengths, and sensibly free from astigmatism.

anchor to carry from sunset to sunrise a single white light forward if under 150 feet in length, and if longer, two such lights, one near the stern and one forward.

A small fish, about three inches in length, of the Herring family (Engraulis encrasicholus), caught in vast numbers in the Mediterranean, and pickled for exportation. The name is also applied to several allied species.

les, angles formed by the sides of any right-lined figure, when the sides are produced or lengthened. -- Facial angle. See under Facial. -- Internal angles, those which are within any right-lined figure. -- Mixtilineal angle, one formed by a right line with a curved line. -- Oblique angle, one acute or obtuse, in o…

nary mosquitoes of the genus Culex by the long slender palpi, nearly equaling the beak in length, while those of the female Culex are very short. They also assume different positions when resting, Culex usually holding the body parallel to the surface on which it rests and keeping the head and beak bent at an angle, wh…

o doubled (like the cover of an apple turnover) as to prevent any one from getting at his length between them. Halliwell, Conybeare. -- Apple-pie order, perfect order or arrangement. [Colloq.] Halliwell.

Pressed close to, or lying against, something for its whole length, as against a stem, Gray.

The unit of superficial measure, being a square of which each side is ten meters in length; 100 square meters, or about 119.6 square yards.

s of East Indian pheasants. The common species (A. giganteus) is remarkable for the great length and beauty of the wing and tail feathers of the male. The species A. Grayi inhabits Borneo.

vealed Isa. lii. 1. Arm's end, the end of the arm; a good distance off. Dryden. -- Arm's length, the length of the arm. -- Arm's reach, reach of the arm; the distance the arm can reach. -- To go (or walk) arm in arm, to go with the arm or hand of one linked in the arm of another. "When arm in armwe went along." Tenn…

rmed and equipped and in readiness for battle, or for a military parade. Arm's end, Arm's length, Arm's reach. See under Arm.

A Russian measure of length = 2 ft. 4.246 inches.

hrow, strike, shoot, wink, mock, laugh at any one. At all, At home, At large, At last, At length, At once, etc. See under All, Home, Large, Last (phrase and syn.), Length, Once, etc. -- At it, busily or actively engaged. -- At least. See Least and However. -- At one. See At one, in the Vocabulary.

A vowel prefixed, or a lengthening of the initial vowel, to mark past time, as in Greek and Sanskrit verbs.

In counterpoint and fugue, a repetition of the subject in tones of twice the original length. Augmentation court (Eng. Hist.), a court erected by Stat. 27 Hen. VIII., to augment to revenues of the crown by the suppression of monasteries. It was long ago dissolved. Encyc. Brit.

sses of the owners will average twenty five dollars each; these spars average ten feet in length.

Having legs of unequal length, as the badger was thought to have. Shak.

An Irish measure of two feet in length.

Formerly , a measure of length, equal to the average length of a grain of barley; the third part of an inch. John Barleycorn, a humorous personification of barley as the source of malt liquor or whisky.

An instrument for ascertaining the weight and length of a newborn infant.