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Of or pertaining to a quadrant; also, included in the fourth part of a circle; as, quadrantal space. Quadrantal triangle, a spherical triangle having one side equal to a quadrant or arc of 90º. -- Quadrantal versor, a versor that expresses rotation through one right angle.

xed; according to the English notation, the number produced by involving a million to the fourth power, or the number represented by a unit with twenty-four ciphers annexed. See the Note under Numeration.

A division or distribution by four, or into four parts; also, a taking the fourth part of any quantity or number.

Raised to the fourth power. [R.]

ables, and called quadric, cubic, quartic, etc., according as it is of the second, third, fourth, fifth, or a higher degree. These are further called binary, ternary, quaternary, etc., according as they contain two, three, four, or more variables; thus, the quantic is a binary cubic.

The fourth part; a quarter; hence, a region of the earth. [Obs.] Camber did possess the western quart. Spenser.

Of or pertaining to the fourth; occurring every fourth day, reckoning inclusively; as, a quartan ague, or fever.

One of four equal parts into which anything is divided, or is regarded as divided; a fourth part or portion; as, a quarter of a dollar, of a pound, of a yard, of an hour, etc. Hence, specifically:

Containing, or consisting of, a fourth part; as, quarterly seasons.

A quarter. Specifically: (a) The fourth part of a pint; a gill.

Of the fourth degree.

A supposed fourth integument of an ovule, counting from the outside.

Originally, a book of the size of the fourth of sheet of printing paper; a size leaves; in present usage, a book of a square or nearly square form, and usually of large size.

that, of four terms taken in order, the first has to the second the same ratio which the fourth has to the third, or the first has to the second the same ratio which the reciprocal of the third has to the reciprocal of the fourth. Thus, 2:5: :20:8 form a reciprocal proportion, because 2:5: :1/20:1/8. -- Reciprocal qu…

The fourth stomach of a ruminant; rennet. [Prov. Eng. or Scot.]

The inner, or mucous, membrance of the fourth stomach of the calf, or other young ruminant; also, an infusion or preparation of it, used for coagulating milk. [Written also runnet.] Cheese rennet. (Bot.) See under Cheese. -- Rennet ferment (Physiol. Chem.), a ferment, present in rennet and in variable quantity in the…

(Pros.), a stanza of seven decasyllabic verses, of which the first and third, the second, fourth, and fifth, and the sixth and seventh rhyme.

The fourth part of an acre, or forty square rods. By the rood, by the cross; -- a phrase formerly used in swearing. "No, by the road, not so." Shak. -- Rood beam (Arch.), a beam across the chancel of a church, supporting the road. -- Rood loft (Arch.), a loft or gallery, in a church, on which the rood and its appenda…

One of the upper or distal branches of an antler, as the third and fourth tynes of the antlers of a stag.

ule of three (Arith.), that rule which directs, when three terms are given, how to find a fourth, which shall have the same ratio to the third term as the second has to the first; proportion. See Proportion, 5 (b). -- Rule of thumb, any rude process or operation, like that of using the thumb as a rule in measuring; he…