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

Spiral with the whorls decreasing rapidly from a large base to a pointed apex; -- said of certain shells.

Designating, or pert. to, a gear for reducing or increasing a velocity ratio two to one.

ons resembling pea soup in appearance, and prostration and muscular debility, gradually increasing and often becoming profound at the acme of the disease. Its local lesions are a scanty eruption of spots, resembling flea bites, on the belly, enlargement of the spleen, and ulceration of the intestines over the areas occ…

the form a + b-1, when a2 + b2 = 1. -- Duodecimal unit, a unit in the scale of numbers increasing or decreasing by twelves. -- Fractional unit, the unit of a fraction; the reciprocal of the denominator; thus, unit of the fraction -- Integral unit, the unit of integral numbers, or 1. -- Physical unit, a value or magn…

-- Variable velocity, velocity in which the space described varies from instant, either increasing or decreasing; -- in the former case called accelerated velocity, in the latter, retarded velocity; the acceleration or retardation itself being also either uniform or variable. -- Virtual velocity. See under Virtual.…

The act or process of waning, or decreasing. This earthly moon, the Church, hath fulls and wanings, and sometimes her eclipses. Bp. Hall.