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lable begins. Rush. -- Radical quantity (Alg.), a quantity to which the radical sign is prefixed; specifically, a quantity which is not a perfect power of the degree indicated by the radical sign; a surd. -- Radical sign (Math.), the sign sq. root (originally the letter r, the initial of radix, root), placed before a…

A prefix signifying back, against, again, anew; as, recline, to lean back; recall, to call back; recede; remove; reclaim, to call out against; repugn, to fight against; recognition, a knowing again; rejoin, to join again; reiterate, reassure. Combinations containing the prefix re- are readily formed, and are for the mo…

A prefix or combining form signifying backward, back; as, retroact, to act backward; retrospect, a looking back.

A prefix (also used adjectively) signifying rose-red; specifically used to designate certain rose-red compounds (called roseo-cobaltic compounds) of cobalt with ammonia. Cf. Luteo-.

A prefix signifying half, and sometimes partly or imperfectly; as, semiannual, half yearly; semitransparent, imperfectly transparent.

ly) denoting that three atoms or equivalents of the substance to the name of which it is prefixed are combined with two of some other element or radical; as, sesquibromide, sesquicarbonate, sesquichloride, sesquioxide.

A title prefixed to the Christian name of a knight or a baronet. Sir Horace Vere, his brother, was the principal in the active part. Bacon.

A prefix used before father, mother, brother, sister, son, daughter, child, etc., to indicate that the person thus spoken of is not a blood relative, but is a relative by the marriage of a parent; as, a stepmother to X is the wife of the father of X, married by him after the death of the mother of X. See Stepchild, Ste…

A prefix signifying under, below, beneath, and hence often, in an inferior position or degree, in an imperfect or partial state, as in subscribe, substruct, subserve, subject, subordinate, subacid, subastringent, subgranular, suborn. Sub- in Latin compounds often becomes sum- before m, sur before r, and regularly becom…

A prefix (also used adjectively) denoting the combination of constituents (especially electro-negative and electro-positive bodies) in the proportion of two to three; as, a subsesqui acetate, i. e., a salt having two equivalents of acetic acid to three of the base.

A form of the prefix Sub-.

A prefix (also used adjectively) designating sulphur as an ingredient in certain compounds. Cf. Thio-.

A prefix signifying above, over, beyond, and hence often denoting in a superior position, in excess, over and above, in addition, exceedingly; as in superimpose, supersede, supernatural, superabundance.

Over; above; before; also, beyond; besides; -- much used as a prefix.

A prefix signifying over, above, beyond, upon.

A prefix meaning with, along with, together, at the same time. Syn- becomes sym- before p, b, and m, and syl- before l.

A combining form or prefix signifying four, as in tetrabasic, tetrapetalous.

ng; I do my utmost to lead my life pleasantly. But it has come to be the almost constant prefix to the infinitive, even in situations where it has no prepositional meaning, as where the infinitive is direct object or subject; thus, I love to learn, i.e., I love learning; to die for one's country is noble, i.e., the dyi…

An obsolete intensive prefix used in the formation of compound verbs; as in to-beat, to-break, to-hew, to-rend, to-tear. See these words in the Vocabulary. See the Note on All to, or All-to, under All, adv.

A prefix, signifying over, beyond, through and through, on the other side, as in transalpine, beyond the Alps; transform, to form through and through, that is, anew, transfigure.