Search the Dictionary

A heavy iron lever having an oscillating motion on a central axis, one end of which is connected with the piston rod from which it receives motion, and the other with the crank of the wheel shaft; -- called also working beam or walking beam.

A plant of the genus Scilla (Scilla nutans).

minute seeds instead of ten nutlets. The commonest species are V. Pennsylvanicum and V. vacillans. V. corymbosum is the tall blueberry.

A bird of the genus Pyrrhula and other related genera, especially the P. vulgaris or rubicilla, a bird of Europe allied to the grosbeak, having the breast, cheeks, and neck, red.

See Flaccillation.

A weed with a sterm of many joints (Illecebrum verticillatum); also, the Polygonum aviculare or knotgrass.

a state of collapse, followed by death, or by a stage of reaction of fever. -- Cholera bacillus. See Comma bacillus. -- Cholera infantum, a dangerous summer disease, of infants, caused by hot weather, bad air, or poor milk, and especially fatal in large cities. -- Cholera morbus, a disease characterized by vomiting…

collided. Across this space the attraction urges them. They collide, they recoil, they oscillate. Tyndall. No longer rocking and swaying, but clashing and colliding. Carlyle.

he difference beyween a major and minor half step), seldom used except by tuners. Comma bacillus (Physiol.), a variety of bacillus shaped like a comma, found in the intestines of patients suffering from cholera. It is considered by some as having a special relation to the disease; -- called also cholera bacillus. -- C…

A member of a council. [Written also councillor.]

A bed or cot for a baby, oscillating on rockers or swinginng on pivots; hence, the place of origin, or in which anything is nurtured or protected in the earlier period of existence; as, a cradle of crime; the cradle of liberty. The cradle that received thee at thy birth. Cowper. No sooner was I crept out of my cradle B…

An English meadow plant, perhaps the columbine or the bluebell squill (Scilla nutans). [Obs.] A girl cropping culverkeys and cowslips to make garlands. Walton.

an instrument for determining the frequency of electic wave oscillations, esp. in connection with wireless telegraphy.

edle or index moves to the extent of its deflection and stops with little or no further oscillation. Deadbeat escapement. See under Escapement.

each individual multiplying by spontaneous division. By some authors diatoms are called Bacillariæ, but this word is not in general use.

ialis); the American bald eagle (Haliæetus leucocephalus); the European sea eagle (H. albicilla); and the great harpy eagle (Thrasaetus harpyia). The figure of the eagle, as the king of birds, is commonly used as an heraldic emblem, and also for standards and emblematic devices. See Bald eagle, Harpy, and Golden eagle.…

A sea eagle, esp. the European white-tailed sea eagle (Haliæetus albicilla).

cellus. Description of illustration: a b Conjunctiva; c Cornea; d Sclerotic; e Choroid; f Cillary Muscle; g Cillary Process; h Iris; i Suspensory Ligament; k Prosterior Aqueous Chamber between h and i; l Anterior Aqueous Chamber; m Crystalline Lens; n Vitreous Humor; o Retina; p Yellow spot; q Center of blind spot; r A…

common European sandpiper (Tringoides hypoleucus); -- so called because it continually oscillates its body. Fiddler crab. (Zoöl.) See Fiddler, n., 2.

il of a fish. -- Fish-tail propeller (Steamship), a propeller with a single blade that oscillates like the tail of a fish when swimming.