ba·rom·e·ter

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• ba|rom|e|ter — «buh ROM uh tuhr», noun. 1. an instrument for measuring the pressure of the atmosphere, used in determining height above sea level and in predicting probable changes in the weather. Abbr: bar. 2. Figurative. something that indicates changes:… …   Useful english dictionary

• chlo|rom|e|ter — «kluh ROM uh tuhr», noun. an instrument or device for estimating percentages of chlorine …   Useful english dictionary

• du|rom|e|ter — «doo ROM uh tuhr, dyoo », noun. an instrument for determining the hardness of substances. ╂[< Latin dūrus hard + English meter] …   Useful english dictionary

• o|rom|e|ter — «aw ROM uh tuhr, oh », noun. an aneroid barometer with a scale giving elevations above sea level, used for measuring the altitudes of mountains. ╂[< Greek óros mountain + English meter] …   Useful english dictionary

• py|rom|e|ter — «py ROM uh tuhr, pih », noun. 1. an instrument for measuring very high temperatures: »An optical pyrometer…tells the temperature of a substance, within five degrees, by its intensity of radiation (New Yorker). 2. an instrument for measuring the… …   Useful english dictionary

• scle|rom|e|ter — «sklih ROM uh tuhr», noun. an instrument for measuring the hardness of a substance, especially a mineral. ╂[< sclero + meter] …   Useful english dictionary

• sphe|rom|e|ter — «sfih ROM uh tuhr», noun. an instrument for measuring the curvature of spheres and curved surfaces. ╂[< French sphéromètre < Greek sphaîra sphere + French mètre meter] …   Useful english dictionary

• spi|rom|e|ter — «spy ROM uh tuhr», noun. an instrument for measuring the capacity of the lungs, by the amount of air that can be breathed out after the lungs have been filled as full as possible. ╂[< Latin spīrāre breathe + English meter] …   Useful english dictionary

• e|vap|o|rom|e|ter — «ih VAP uh ROM uh tuhr», noun. = evaporimeter. (Cf. ↑evaporimeter) …   Useful english dictionary

• flu|o|rom|e|ter — «FLOO uh ROM uh tuhr», noun. an instrument which measures the fluorescence given off by a substance. ╂[< fluor(escence) + meter] …   Useful english dictionary

• mi|cro|py|rom|e|ter — «MY kroh py ROM uh tuhr», noun. an optical instrument used in determining the temperature of very small glowing bodies. ╂[< micro + pyrometer] …   Useful english dictionary