RETURN n.
as a plaything. -- Return bend, a pipe fitting for connecting the contiguous ends of two nearly parallel pipes lying alongside or one above another. -- Return day (Law), the day when the defendant is to appear in court, and the sheriff is to return the writ and his proceedings. -- Return flue, in a steam boiler, a f…
RO2 R2O5 RO3 R2O7 RO4 ----------------------------------------------- n.
, if the elements are grouped in the order of their atomic weights, it will be found that nearly the same properties recur periodically throughout the entire series." The following tabular arrangement of the atomic weights shows the regular recurrence of groups (under I., II., III., IV., etc.), each consisting of membe…
ROMAN a.
valued by dyers on account of its freedom from iron. -- Roman balance, a form of balance nearly resembling the modern steelyard. See the Note under Balance, n., 1. -- Roman candle, a kind of firework (generally held in the hand), characterized by the continued emission of shower of sparks, and the ejection, at interv…
ROUND a.
his own account. -- Round hand, a style of penmanship in which the letters are formed in nearly an upright position, and each separately distinct; -- distinguished from running hand. -- Round robin. Etym: [Perhaps F. round round + ruban ribbon.] (a) A written petition, memorial, remonstrance, protest, etc., the signa…
RUBBER n.
phide as an important constituent. -- Hard rubber, a kind of vulcanized caoutchouc which nearly resembles horn in texture, rigidity, etc. -- India rubber, caoutchouc. See Caoutchouc. -- Rubber cloth, cloth covered with caoutchouc for excluding water or moisture. -- Rubber dam (Dentistry), a shield of thin sheet rub…