Lineal vs. Linear

in a direct line of descent or ancestry

arranged in or extending along a straight or nearly straight line

relating to or consisting of lines; linear.

progressing from one stage to another in a single series of steps; sequential

Belonging to or being in the direct line of descent from an ancestor.

Of, relating to, or resembling a line; straight.

Derived from or relating to a particular line of descent; hereditary.

In, of, describing, described by, or related to a straight line.

Linear.

Having only one dimension.

Having an ancestral relationship to mothers, fathers, grandparents, (etc.) and having a descendant relationship to sons, daughters, grandchildren (etc.), exclusive of collateral siblings.

Characterized by, composed of, or emphasizing drawn lines rather than painterly effects.

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

(Botany) Narrow and elongated with nearly parallel margins

Composed of lines; delineated.

Having the form of a line; straight or roughly straight; following a direct course.

In the direction of a line; of a line; of or relating to a line; measured on, or ascertained by, a line; linear.

Of or relating to lines.

Descending in a direct line from an ancestor; hereditary; derived from ancestors; - opposed to collateral; as, a lineal descent or a lineal descendant.

Made, or designed to be used, in a step-by-step, sequential manner.

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

Long and narrow, with nearly parallel sides.

Composed of lines; delineated; as, lineal designs.

(mathematics) Of or relating to a class of polynomial of the form $y\; =\; ax\; +\; b$. Category:en:Polynomials

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

(physics) A type of length measurement involving only one spatial dimension as opposed to area or volume.

in a straight unbroken line of descent from parent to child;

(radio slang) linear amplifier.

arranged in a line

Of or pertaining to a line; consisting of lines; in a straight direction; lineal.

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

Thinking in a step-by-step analytical and logical fashion; contrasted with holistic, i.e. thinking in terms of complex interrelated patterns; as, linear thinkers.

designating or involving an equation whose terms are of the first degree

of or in or along or relating to a line; involving a single dimension;

of a circuit or device having an output that is proportional to the input;

of a leaf shape; long and narrow

measured lengthwise;