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Webster’s Dictionary (1828)

98,828 entries. Headwords are matched first, then definition text.

725 words match “METER”

NEPHELOMETER n.
An instrument for measuring or registering the amount of cloudiness.
NILOMETER n.
An instrument for measuring the rise of water in the Nile during its periodical flood.
NITROMETER n.
ount of nitrogen or some of its compounds in any substance subjected to analysis; an azotometer.
OCTAMETER n.
A verse containing eight feet; as, -- Deep'' in|to'' the | dark''ness | peer''ing, | long'' I | stood'' there | wond'''ring, | fear''ing. Poe.
ODOMETER n.
An instrument attached to the wheel of a vehicle, to measure the distance traversed; also, a wheel used by surveyors, which registers the miles and rods traversed.
OENOMETER n.
See Alcoholometer.
OHMMETER n.
An instrument for indicating directly resistance in ohms.
OLEOMETER n.
An instrument for ascertaining the weight and purity of oil; an elaiometer.
OMBROMETER n.
An instrument for measuring the rain that falls; a rain gauge.
ONCOMETER n.
An instrument for measuring the variations in size of the internal organs of the body, as the kidney, spleen, etc.
ONDOMETER n.
An electric wave meter.
OPERAMETER n.
An instrument or machine for measuring work done, especially for ascertaining the number of rotations made by a machine or wheel in manufacturing cloth; a counter. Ure.
OPHTHALMOMETER n.
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.
OPISOMETER n.
An instrument with a revolving wheel for measuring a curved line, as on a map.
OPSIOMETER n.
An instrument for measuring the limits of distincts vision in different individuals, and thus determiming the proper focal length of a lens for correcting imperfect sight. Brande & C.
OPTOMETER n.
An instrument for measuring the distance of distinct vision, mainly for the selection of eveglasses.
OROMETER n.
An aneroid barometer having a second scale that gives the approximate elevation above sea level of the place where the observation is made.
OSCILLOMETER n.
An instrument for measuring the angle through which a ship rolls or pitches at sea.
OSMOMETER n.
An instrument for measuring the amount of osmotic action in different liquids.
OZONOMETER n.
An instrument for ascertaining the amount of ozone in the atmosphere, or in any gaseous mixture. Faraday.
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