PASSIVE a.
ernment), obedience or submission of the subject or citizen as a duty in all cases to the existing government. -- Passive prayer, among mystic divines, a suspension of the activity of the soul or intellectual faculties, the soul remaining quiet, and yielding only to the impulses of grace. -- Passive verb, or Passive…
PERCEIVE v.
ses; to receive impressions from by means of the bodily organs; to take cognizance of the existence, character, or identity of, by means of the senses; to see, hear, or feel; as, to perceive a distant ship; to perceive a discord. Reid.
PETROLEUM n.
l, or natural oil, a dark brown or greenish inflammable liquid, which, at certain points, exists in the upper strata of the earth, from whence it is pumped, or forced by pressure of the gas attending it. It consists of a complex mixture of various hydrocarbons, largely of the methane series, but may vary much in appear…
PHASE RULE n.
invariant, that is, there is only one set of conditions under which these four phases can exist in equilibrium. If only three phases be considered, the system is univariant, that is, the fixing of one condition, as temperature, determines the others.