FRICTION n. 4 definitions
te of potassium, antimony, sulphide, etc, which readily ignites by friction. -- Friction primer, Friction tube, a tube used for firing cannon by means of the friction of a roughened wire in the friction powder or composition with which the tube is filled -- Friction wheel (Mach.), one of the wheels in frictional geari…
GASTRAEA n.
A primeval larval form; a double-walled sac from which, according to the hypothesis of Haeckel, man and all other animals, that in the first stages of their individual evolution pass through a two-layered structural stage, or gastrula form, must have descended. This idea constitutes the Gastræa theory of Haeckel. See G…
HORSE POWER n. 4 definitions
drive machinery, and in estimating the capabilities of animals or steam engines and other prime movers for doing work. It is the power required for the performance of work at the rate of 33,000 English units of work per minute; hence, it is the power that must be exerted in lifting 33,000 pounds at the rate of one foot…
HUNTING n.
g cog (Mach.), a tooth in the larger of two geared wheels which makes its number of teeth prime to the number in the smaller wheel, thus preventing the frequent meeting of the same pairs of teeth. -- Hunting dog (Zoöl.), the hyena dog. -- Hunting ground, a region or district abounding in game; esp. (pl.), the regions…
IDIOPATHIC; IDIOPATHICAL a.
Pertaining to idiopathy; characterizing a disease arising primarily, and not in consequence of some other disease or injury; -- opposed to symptomatic, sympathetic, and traumatic. -- Id`i*o*path"ic*al*ly, adv.