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The median of the three elements composing the centra of the vertebræ in some fossil batrachians.

Between crura; -- applied especially to the interneural plates in the vertebral column of many cartilaginous fishes.

d in converging polarized light; thus, a section of a uniaxial crystal, cut normal to the vertical axis, shows a series of concentric colored rings with a single black cross; -- so called because produced by the interference of luminous waves. -- Interference fringe. (Optics) See Fringe.

To convert into, or to use as, an interjection. Earle.

Between spines; esp., between the spinous processes of the vertebral column.

Between the transverse processes of the vertebræ.

ruction; to intertwine; as, threads of silk and cotton interwoven. Under the hospitable covert nigh Of trees thick interwoven. Milton.

her; as, compound substances may be resolved into others which are more simple; ice is convertible into water, and water into vapor; men are more easily drawn than forced into compliance; we may reduce many distinct substances into one mass; men are led by evidence into belief of truth, and are often enticed into the c…

twining of any part of a plant toward one side or the other, or in any direction from the vertical.

The act of introverting, or the state of being introverted; the act of turning the mind inward. Berkeley.

of nutrition, by which dead matter is absorbed by the living organism, and ultimately converted into the organized substance of its various tissues and organs. Dead bodies increase by apposition; living bodies by intrussusception. McKendrick.

or lessen the force of; to destroy the authority of; to render of no force or effect; to overthrow; as, to invalidate an agreement or argument.

Opposite in order, relation, or effect; reversed; inverted; reciprocal; -- opposed to direct.

The act of inverting, or turning over or backward, or the state of being inverted.

Not admitting of being vitrified, or converted into glass. Kirwan.

as a bond; -- used especially of such government notes, issued as currency, as are not convertible into coin at the pleasure of the holder. -- Ir`re*deem"a*ble*ness, adv.

Not refragable; not to be gainsaid or denied; not to be refuted or overthrown; unanswerable; incontestable; undeniable; as, an irrefragable argument; irrefragable evidence. -- Ir*ref"ra*ga*ble*ness, n. -- Ir*ref"ra*ga*bly, adv.

Of or pertaining to the Isospondyli; having the anterior vertebræ separate and normal.

A line drawn through points of equal temperature in a vertical section of the ocean.

Of or pertaining to an isothermobath; possessing or indicating equal temperatures in a vertical section, as of the ocean.