PARACENTRIC; PARACENTRICAL a.
t, by the force of gravity, will approach to, or recede from, a fixed point or center, by equal distances in equal times; -- called also a paracentric. -- Paracentric motton or velocity, the motion or velocity of a revolving body, as a planet, by which it approaches to, or recedes from, the center, without reference t…
PARALLELOGRAM n.
A right-lined quadrilateral figure, whose opposite sides are parallel, and consequently equal; -- sometimes restricted in popular usage to a rectangle, or quadrilateral figure which is longer than it is broad, and with right angles. Parallelogram of velocities, forces, accelerations, momenta, etc. (Mech.), a parallelog…
PART n. 3 definitions
One of the portions, equal or unequal, into which anything is divided, or regarded as divided; something less than a whole; a number, quantity, mass, or the like, regarded as going to make up, with others, a larger number, quantity, mass, etc., whether actually separate or not; a piece; a fragment; a fraction; a divisi…
PARTIAL a.
he variables are for the time constant. -- Partial fractions (Alg.), fractions whose sum equals a given fraction. -- Partial tones (Music), the simple tones which in combination form an ordinary tone; the overtones, or harmonics, which, blending with a fundamental tone, cause its special quality of sound, or timbre,…
PEG n.
erted. -- Peg tankard, an ancient tankard marked with pegs, so as divide the liquor into equal portions. "Drink down to your peg." Longfellow. -- Peg tooth. See Fleam tooth under Fleam. -- Peg top, a boy's top which is spun by throwing it. -- Screw peg, a small screw without a head, for fastening soles.…