international prototype meter
1International Prototype Meter — right|thumb|220px|Historical International Prototype Meter bar, made of an alloy of platinum and iridium, that was the standard from 1889 to 1960.The meter was originally defined as one ten millionth of the distance between the North Pole and the …
2meter — meter1 /mee teuhr/, n. the fundamental unit of length in the metric system, 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… …
3Prototype — A prototype is an original type, form, or instance of something serving as a typical example, basis, or standard for other things of the same category. The word derives from the Greek πρωτότυπον ( prototypon ), archetype, original , neutral of… …
4International System of Units — an internationally accepted coherent system of physical units, derived from the MKSA system, using the meter, kilogram, second, ampere, kelvin, mole, and candela as the basic units (SI units) of the fundamental quantities length, mass, time,… …
5Meter — (m), die Einheit des Längenmaßes im metrischen System (s.d.). Die Generalkonferenz der Internationalen Meterkonvention setzte 1889 fest, daß anstelle des Mêtre des archives das internationale Meterprototyp (s. Maß und Gewichtswesen) als Einheit… …
6International One Design — The International One Design (IOD, International) is a class of sail boat used for sail racing. It is a 33 foot open cockpit day sailer used for Harbour racing, rather than for overnight, or ocean races, such as the Newport ndash;Bermuda Yacht… …
7Peak programme meter — A typical British quasi PPM. Each division between 1 and 7 is exactly four decibels and 6 is the intended maximum level. A peak programme meter (PPM) is an instrument used in professional audio for indicating the level of an audio signal. There… …
8Platinum — This article is about the chemical element. For other uses, see Platinum (disambiguation). iridium ← platinum → gold Pd ↑ Pt ↓ Ds …
9Micrometer — This article is about the measuring device. For the unit of length, see Micrometre. Outside, inside, and depth micrometers A micrometer (   …
10Metrology — This article is about the science of measurement. For the study of weather see Meteorology. A scientist stands in front of a microarcsecond (1 millionth of 1 arcsecond or 1 millionth of 1/3600 degree) testbed. Metrology is the science of… …
