Part 714

Both the lineage and the certain sire From which I sprung, from me are hidden yet.

Spenser.

Lin"e*al (ln"*al), a. [L. linealis belonging to a line, fr. linea line: cf. F. linéal. See 3d Line.] 1. Descending in a direct line from an ancestor; hereditary; derived from ancestors; -- opposed to collateral; as, a lineal descent or a lineal descendant.

The prime and ancient right of lineal succession.

Locke.

2. Inheriting by direct descent; having the right by direct descent to succeed (to).

For only you are lineal to the throne.

Dryden.

3. Composed of lines; delineated; as, lineal designs.

4. In the direction of a line; of or pertaining to a line; measured on, or ascertained by, a line; linear; as, lineal magnitude.

Lineal measure, the measure of length; -- usually written linear measure.

Lin`e*al"i*ty (-l"*t), n. The quality of being lineal.

Lin"e*al*ly (ln"*al*l), adv. In a lineal manner; as, the prince is lineally descended from the Conqueror.

Lin"e*a*ment (-*ment), n. [L. lineamentum, fr. linea line: cf. F. linéament. See 3d Line.] One of the outlines, exterior features, or distinctive marks, of a body or figure, particularly of the face; feature; form; mark; -- usually in the plural. "The lineaments of the body." Locke. "Lineaments in the character." Swift.

Man he seems In all his lineaments.

Milton.

Lin"e*ar (-*r), a. [L. linearis, linearius, fr. linea line: cf. F. linéaire. See 3d Line.] 1. Of or pertaining to a line; consisting of lines; in a straight direction; lineal.

2. (Bot.) Like a line; narrow; of the same breadth throughout, except at the extremities; as, a linear leaf.

Linear differential equation (Math.), an equation which is of the first degree, when the expression which is equated to zero is regarded as a function of the dependent variable and its differential coefficients. -- Linear equation (Math.), an equation of the first degree between two variables; -- so called because every such equation may be considered as representing a right line. -- Linear measure, the measurement of length. -- Linear numbers (Math.), such numbers as have relation to length only: such is a number which represents one side of a plane figure. If the plane figure is a square, the linear figure is called a root. -- Linear problem (Geom.), a problem which may be solved geometrically by the use of right lines alone. -- Linear transformation (Alg.), a change of variables where each variable is replaced by a function of the first degree in the new variable.

Lin`e*ar*en"sate (-n"st), a. (Bot.) Having the form of a sword, but very long and narrow.

Lin"e*ar*ly, adv. In a linear manner; with lines.

Lin"e*ar-shaped` (-shpt`), a. Of a linear shape.

Lin"e*a*ry (-*r), a. Linear. Holland.

{ Lin"e*ate (ln"*t), Lin"e*a`ted (-`td), } a. [L. lineatus, p. p. of lineare to reduce to a straight line, fr. linea line.] 1. (Zoöl.) Marked with lines.

2. (Bot.) Marked longitudinally with depressed parallel lines; as, a lineate leaf.

Lin`e*a"tion (-"shn), n. [L. lineatio the drawing of a line, fr. lineare.] Delineation; a line or lines.

Lin"e*a*ture (ln"**tr; 135), n. Anything having outline. [R.] Holland.

Line"man (ln"mn), n.; pl. Linemen (-mn). 1. One who carries the line in surveying, etc.