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Not momentous; unimportant; insignificant. [R.] A. Seward.

A seismometer for measuring amplitudes or periods, or both, of microseisms. --Mi`cro*seis*mom"e*try (#), n.

, a thermometer for recording the lowest temperature since its last adjustment.

An instrument for measuring the muscular strength of man or of other animals; a dynamometer. Dunglison.

An instrument devised by Helmholtz for measuring the size of a reflected image on the convex surface of the cornea and lens of the eye, by which their curvature can be ascertained.

An instrument for measuring the amount of osmotic action in different liquids.

The study of osmose by means of the osmometer.

A spirometer.

Measurement of the capacity of the lungs for air. Dunglison.

A spirometer.

The determination of the capacity of the lungs.

An instrument for marking time in musical movements. See Metronome.

An instrument for measuring the direction, duration, and force of earthquakes and like concussions.

Of or pertaining to seismometry, or seismometer; as, seismometric instruments; seismometric measurements.

The mensuration of such phenomena of earthquakes as can be expressed in numbers, or by their relation to the coördinates of space.

See Seismometer.

See Sphygmometer.

An instrument for measuring the strength of the pulse beat; a sphygmograph.

An electric dynamometer having two coils so arranged that one carries the primary current, and the other the secondary current, of a transformer.

An instrument for measuring the amount of strabismus.