[mee-ter] /ˈmi tər/
the fundamental unit of length in the , equivalent to 39.37 U.S. inches, originally intended to be, and being very nearly, equal to one ten-millionth of the distance from the equator to the pole measured on a meridian: defined from 1889 to 1960 as the distance between two lines on a platinum-iridium bar (the “International Prototype Meter”) preserved at the International Bureau of Weights and Measures near Paris; from 1960 to 1983 defined as 1,650,763.73 wavelengths of the orange-red radiation of krypton 86 under specified conditions; and now defined as 1/299,792,458 of the distance light travels in a vacuum in one second.
[mee-ter] /ˈmi tər/
[mee-ter] /ˈmi tər/
an instrument for measuring, especially one that automatically measures and records the quantity of something, as of gas, water, miles, or time, when it is activated.
verb (used with object), metered, metering or (especially British) metred, metring.
to measure by means of a meter.
to process (mail) by means of a .
a combining form meaning “measure,” used in the names of instruments measuring quantity, extent, degree, etc.:
the US spelling of metre1
the US spelling of metre2
any device that measures and records the quantity of a substance, such as gas, that has passed through it during a specified period
any device that measures and sometimes records an electrical or magnetic quantity, such as current, voltage, etc
See parking meter
to measure (a rate of flow) with a meter
to print with stamps by means of a postage meter
indicating an instrument for measuring: barometer
(prosody) indicating a verse having a specified number of feet: pentameter
also metre, “poetic measure,” Old English meter “meter, versification,” from Latin metrum, from Greek metron “meter, a verse; that by which anything is measured; measure, length, size, limit, proportion,” from PIE root *me- “measure” (see meter (n.2)). Possibly reborrowed early 14c. (after a 300-year gap in recorded use) from Old French metre, with specific sense of “metrical scheme in verse,” from Latin metrum.
also metre, unit of length, 1797, from French mètre (18c.), from Greek metron “measure,” from PIE root *me- “to measure” (cf. Greek metra “lot, portion,” Sanskrit mati “measures,” matra “measure,” Avestan, Old Persian ma-, Latin metri “to measure”). Developed by French Academy of Sciences for system of weights and measures based on a decimal system originated 1670 by French clergyman Gabriel Mouton. Originally intended to be one ten-millionth of the length of a quadrant of the meridian.
“device for measuring,” abstracted 1832 from gas-meter, etc., from French -mètre, used in combinations (in English from 1790), from Latin metrum “measure” or cognate Greek metron “measure” (see meter (n.2)). Influenced by English meter “person who measures” (late 14c., agent noun from mete (v.)). As short for parking meter from 1960. Meter maid first recorded 1957; meter reader 1963.
“to measure by means of a meter,” 1884, from meter (n.3). Meaning “install parking meters” is from 1957.
word-forming element meaning “device or instrument for measuring; commonly -ometer, occasionally -imeter; from French -mètre, from Greek metron (see meter (n.3)).
meter me·ter (mē’tər)
The standard unit of length in the International System of Units that is equivalent to 39.37 inches.
Measuring device: refractometer.
The basic unit of length in the metric system, equal to 39.37 inches. See Table at measurement.
The highly organized rhythm characteristic of verse; the pattern of stressed and unstressed syllables in a line. (See iambic pentameter.)
The basic unit of length in the metric system; it was originally planned so that the circumference of the Earth would be measured at about forty million meters. A meter is 39.37 inches. Today, the meter is defined to be the distance light travels in 1 / 299,792,458 seconds.
US spelling of “metre”.
[mee-ter-ij] /ˈmi tər ɪdʒ/ noun 1. the practice of measuring; measurement. 2. a sum or price charged for measurement.
- Meter angle
meter angle n. The unit of ocular convergence equal to the amount of convergence required to view binocularly an object at 1 meter and exerting 1 diopter of accommodation.
[mee-ter-kan-dl] /ˈmi tərˌkæn dl/ noun 1. lux. Abbreviation: mc. meter-candle n. See lux.
[mee-ter-kan-dl-sek-uh nd] /ˈmi tərˈkæn dlˈsɛk ənd/ noun 1. a unit of light-exposure equivalent to one lux for one second.