RO2 R2O5 RO3 R2O7 RO4 ----------------------------------------------- n.
ion (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 functions. Exponential functions are also periodic, having an imaginary period, and the elliptic functions have not only a real but an imaginary period, and…
ROOT n.
earth, etc., by a root; hence, in general, to become planted, fixed, or established; to increase and spread; as, an opinion takes root. "The bended twigs take root." Milton.
RUN v. 2 definitions
to lose vital force, as the body or mind. -- To run up, to rise; to swell; to grow; to increase; as, accounts of goods credited run up very fast. But these, having been untrimmed for many years, had run up into great bushes, or rather dwarf trees. Sir W. Scott. -- To run with. (a) To be drenched with, so that streams…