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Remaining closed at maturity, or not opening along regular lines, as the acorn, or a cocoanut.

Having an uneven, irregular border; sinuous; undulating. Milton. Shak.

Not resolved; not regularly disposed and arranged; not methodical; crude; as, an indigested array of facts. In hot reformations . . . the whole is generally crude, harsh, and indigested. Burke. This, like an indigested meteor, appeared and disappeared almost at the same time. South.

Given to industry; characterized by diligence; constantly, regularly, or habitually occupied; busy; assiduous; not slothful or idle; -- commonly implying devotion to lawful and useful labor. Frugal and industrious men are commonly friendly to the established government. Sir W. Temple.

An irregularity, or a deviation, in the motion of a planet or satellite from its uniform mean motion; the amount of such deviation.

Without regular form; shapeless; ugly; deformed. Cotton.

Not in the regular, usual, or established form; not according to official, conventional, prescribed, or customary forms or rules; irregular; hence, without ceremony; as, an informal writting, proceeding, or visit.

The state of being informal; want of regular, prescribed, or customary form; as, the informality of legal proceedings.

Want of regular form; shapelessness. [Obs.]

Of irregular form; shapeless. [Obs.] Sir T. Browne.

Not limited to rules prescribed, or to usual bounds; irregular; excessive; immoderate; as, an inordinate love of the world. "Inordinate desires." Milton. "Inordinate vanity." Burke. -- In*or"di*nate*ly, adv. -- In*or"di*nate*ness, n.

Deviation from custom, rule, or right; irregularity; inordinacy. [Obs.] South. Every inordination of religion that is not in defect, is properly called superstition. Jer. Taylor.

e in a stanza; specif. (Geol.), to introduce as a bed or stratum, between the layers of a regular series of rocks. Beds of fresh-water shells . . . are intercalated and interstratified with the shale. Mantell.

d. Also, to use for catch crops at seasons when the ground is not covered by crops of the regular rotation.

Irregular; -- said of any arrangement whose symmetry is destroyed by local causes, as when leaflets are interposed among the leaves in a pinnate leaf.

To make irregular; to disorder. [Obs.] Sir T. Browne.

Uniform in time; of equal time; performed in equal times; recurring at regular intervals; isochronal vibrations or oscillations.

n which the three axes are of equal length and at right angles to each other; monometric; regular; cubic. Cf. Crystallization. Isometric lines (Thermodynamics), lines representing in a diagram the relations of pressure and temperature in a gas, when the volume remains constant. -- Isometrical perspective. See under Pe…

A regular vibration, as of a pendulum. I love thee not a jar of the clock. Shak.

d.] was the first year of the 299th lunar cycle. The common year is said to be defective, regular, or perfect (or abundant) according as it has 353, 354, or 355 days. The leap year has an intercalary month, and a total of 383 (defective), 384 (regular), or 385 (perfect, or abundant) days. The calendar is complicated by…