RO2 R2O5 RO3 R2O7 RO4 ----------------------------------------------- n.
comet (Astron.), a comet that moves about the sun in an elliptic orbit; a comet that has been seen at two of its approaches to the sun. -- Periodic function (Math.), a function whose values recur at fixed intervals as the variable uniformly increases. The trigonomertic functions, as sin x, tan x, etc., are periodic f…
PERSUASION n. 5 definitions
The state of being persuaded or convinced; settled opinion or conviction, which has been induced. If the general persuasion of all men does so account it. Hooker. My firm persuasion is, at least sometimes, That Heaven will weigh man's virtues and his crimes With nice attention. Cowper.
PETER n. 2 definitions
cause the black spots, one on each side, behind the gills, are traditionally said to have been caused by the fingers of St. Peter, when he caught the fish to pay the tribute. The name is applied, also, to other fishes having similar spots.
PHRYGIAN a. 3 definitions
ancient Greek modes, very bold and vehement in style; -- so called because fabled to have been invented by the Phrygian Marsyas. Moore (Encyc. of Music). -- Phrygian stone, a light, spongy stone, resembling a pumice, -- used by the ancients in dyeing, and said to be drying and astringent.