Search the Dictionary

An extensive division, or sub-class, of hermaphrodite gastropods, in which the mantle cavity is modified into an air- breathing organ, as in Helix, or land snails, Limax, or garden slugs, and many pond snails, as Limnæa and Planorbis.

An apparatus for the production of sound by the action of luminous or thermal rays. It is essentially the same as the photophone.

An hermaphrodite. [Obs.] Skinner.

ported by floats and properly secured, may be left unguarded during the absence of the fisherman. -- Set nut, a jam nut or lock nut. See under Nut. -- Set screw (Mach.), a screw, sometimes cupped or printed at one end, and screwed through one part, as of a machine, tightly upon another part, to prevent the one from s…

burned or evaporated, each substance having its own characteristic system of lines. -- Thermal spectrum, a spectrum of rays considered solely with reference to their heating effect, especially of those rays which produce no luminous phenomena.

An oilskin hat or southwester; -- a fisherman's name. [U. S.]

Brave; bold; courageous. [Obs.] As tall a trencherman As e'er demolished a pye fortification. Massinger. His companions, being almost in despair of victory, were suddenly recomforted by Sir William Stanley, which came to succors with three thousand tall men. Grafton.

ysiol.), the nearly constant temperature maintained in the bodies of warm-blooded (homoiothermal) animals during life. The ultimate source of the heat is to be found in the potential energy of the food and the oxygen which is absorbed from the air during respiration. See Homoiothermal. -- Temperature sense (Physiol.),…

Of or pertaining to heat; due to heat; thermal; as, thermic lines. Thermic balance. See Bolometer. -- Thermic fever (Med.), the condition of fever produced by sunstroke. See Sunstroke. -- Thermic weight. (Mech.) Same as Heat weight, under Heat.

Of or relating to heat and electricity; especially, relating to thermal effects produced by voltaic action. Faraday.

A sailor or fisherman;-so called in some parts of the Pacific.

A fisherman who used unlawful arts and engines to catch fish. [Obs.] Cowell.

us skin, and are furnished with two or more suckers for adhesion. Most of the species are hermaphrodite. Called also Trematoda, and Trematoidea. See Fluke, Tristoma, and Cercaria.

Having three sorts of flowers in the same head, -- male, female, and hermaphrodite, or perfect, flowers.

hich the sexes are in separate individuals; dioecious; -- distinguished from bisexual, or hermaphrodite. See Dioecious.

- Unit of heat (Physics), a determinate quantity of heat adopted as a unit of measure; a thermal unit (see under Thermal). Water is the substance generally employed, the unit being one gram or one pound, and the temperature interval one degree of the Centigrade or Fahrenheit scale. When referred to the gram, it is call…

s are retained until they hatch or until the embryos develop more or less. See Illust. of Hermaphrodite in Append.

To reënlist for service as a soldier. [U.S.] Gen. W. T. Sherman.

a nearly uniform temperature whatever the temperature of the surrounding air. See Homoiothermal.

e yolk of the eggs in many turbellarians, and in some other invertebrates. See Illust. of Hermaphrodite in Appendix. -- Yolk sack (Anat.), the umbilical vesicle. See under Unbilical.