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Of or pertaining to tension; increasing tension; hence, increasing strength; as, tonic power.

Tonic. [R.] Sir T. Browne.

The state of healty tension or partial contraction of muscle fibers while at rest; tone; tonus.

Of or pertaining to acetone; as, acetonic bodies.

The science of architecture.

, or to architecture; evincing skill in designing or construction; constructive. "Architectonic wisdom." Boyle. These architectonic functions which we had hitherto thought belonged. J. C. Shairp.

The science of architecture.

Characterized by atony, or want of vital energy; as, an atonic disease.

Relating to, or characterized by, catelectrotonus.

Of or pertaining to, or derived from, a plant of the genus Croton, or from croton oil. Crotonic acid (Chem.), a white crystalline organic acid, C3H5.CO2H, of the ethylene, or acrylic acid series. It was so named because formerly supposed to exist in croton oil. Also, any acid metameric with crotonic acid proper.…

ertaining to the scale of eight tones, the eighth of which is the octave of the first. Diatonic scale (Mus.), a scale consisting of eight sounds with seven intervals, of which two are semitones and five are whole tones; a modern major or minor scale, as distinguished from the chromatic scale.

In a diatonic manner.

Relating to electrotonus; as, the electrotonic condition of a nerve.

Having great tension, or exaggerated action. Dunglison.

Pertaining to, or derived from, eupittone.

Having or indicating, equal tones, or tension. Isotonic system (Mus.), a system consisting of intervals, in which each concord is alike tempered, and in which there are twelve equal semitones.

Pertaining to, or derived from, a ketone; as, a ketonic acid.

Of, pertaining to, or derived from, lactone.

Of, pertaining to, or derived from, maltose; specif., designating an acid called also gluconic or dextronic acid. See Gluconic.

Pertaining to, or discovered by, Meton, the Athenian. Metonic cycle or year. (Astron.) See under Cycle.