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either in fact or in appearance; as, the microscope magnifies the object by a thousand diameters. The least error in a small quantity . . . will in a great one . . . be proportionately magnified. Grew.

ed by the angle which it subtends at the eye of the observer; - - called also apparent diameter. -- Magnitude of a star (Astron.), the rank of a star with respect to brightness. About twenty very bright stars are said to be of first magnitude, the stars of the sixth magnitude being just visible to the naked eye. Teles…

Of or pertaining to the manometer; made by the manometer.

Same as Manometer.

he sea; as, marine deposits. Marine acid (Chem.), hydrochloric acid. [Obs.] -- Marine barometer. See under Barometer. -- Marine corps, a corps formed of the officers, noncommissioned officers, privates, and musicants of marines. -- Marine engine (Mech.), a steam engine for propelling a vessel. -- Marine glue. See un…

solar system, the fourth in order from the sun, or the next beyond the earth, having a diameter of about 4,200 miles, a period of 687 days, and a mean distance of 141,000,000 miles. It is conspicuous for the redness of its light.

ation to the maximum of happiness, and the minimum of misery. P. Colquhoun. Maximum thermometer, a thermometer that registers the highest degree of temperature attained in a given time, or since its last adjustment.

To serve as the measure of; as, the thermometer measures changes of temperature.

ngle of a triangle to the middle of the opposite side; any line having the nature of a diameter. -- Median plane (Anat.), the mesial plane. -- Median point (Geom.), the point where the three median lines of a triangle mutually intersect.

A million times, a million of; as, megameter, a million meters; megafarad, a million farads; megohm, a million ohms.

A large, flattened corpuscle, twice the diameter of the ordinary red corpuscle, found in considerable numbers in the blood in profound anæmia.

ith creeping branches, shining leaves, and single white flowers. It is often planted in cemeteries.

Of or pertaining to, or containing, mercury; as, mercurial preparations, barometer. See Mercury, 2.

t is a heavy, opaque, glistening liquid (commonly called quicksilver), and is used in barometers, thermometers, ect. Specific gravity 13.6. Symbol Hg (Hydrargyrum). Atomic weight 199.8. Mercury has a molecule which consists of only one atom. It was named by the alchemists after the god Mercury, and designated by his sy…

A suffix denoting that by which anything is measured; as, barometer, chronometer, dynamometer.

See Meter.

Of or pertaining to the meter as a standard of measurement; of or pertaining to the decimal system of measurement of which a meter is the unit; as, the metric system; a metric measurement. Metric analysis (Chem.), analysis by volume; volumetric analysis. -- Metric system, a system of weights and measures originating i…

Of or pertaining to the meter; arranged in meter; consisting of verses; as, metrical compositions.

Belonging to micrometry; made by the micrometer. -- Mi`cro*met"ric*al*ly, adv.

The art of measuring with a micrometer.