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O que (quem) é metre - definição

SI UNIT OF LENGTH

Meter; Meters; Metres; Yottametre; Yottameter; Meter (unit of length); Measurement System in Meters; Meter (m); Meter (unit); Metrical form; Metre (unit); Meter (distance); Standard metre; Meter unit; Mètre; French meter; French mètre; Definition of the metre; Ronnametre; Quettametre; Ronnameter; SI unit of length

metre

metre¹

(US meter) (abbrev.: m)

¦ noun the fundamental unit of length in the metric system, equal to 100 centimetres (approx. 39.37 inches).

Derivatives

metreage noun

Origin

C18: from Fr. metre, from Gk metron 'measure'.

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metre²

(US meter)

¦ noun

1. the rhythm of a piece of poetry, determined by the number and length of feet in a line.

2. the basic rhythmic pattern of beats in a piece of music.

Origin

OE, reinforced in ME by OFr. metre, from L. metrum, from Gk metron 'measure'.

metre

<unit> (US "meter") The fundamental SI unit of length. From 1889 to 1960, the metre was defined to be the distance between two scratches in a platinum-iridium bar kept in the vault beside the Standard Kilogram at the International Bureau of Weights and Measures near Paris. This replaced an earlier definition as 10^-7 times the distance between the North Pole and the Equator along a meridian through Paris; unfortunately, this had been based on an inexact value of the circumference of the Earth. From 1960 to 1984 it was defined to be 1650763.73 wavelengths of the orange-red line of krypton-86 propagating in a vacuum. It is now defined as the length of the path traveled by light in a vacuum in the time interval of 1/299,792,458 of a second. (1998-02-07)

metre

(metres)

Frequency: The word is one of the 3000 most common words in English.

Note: in AM, use 'meter'

1.

A metre is a metric unit of length equal to 100 centimetres.

Chris Boardman won the Olympic 4,000 metres pursuit...

The tunnel is 10 metres wide and 600 metres long.

N-COUNT: num N, oft N of n

2.

In the study of poetry, metre is the regular and rhythmic arrangement of syllables according to particular patterns. (TECHNICAL)

They must each compose a poem in strict alliterative metre...

All of the poems are written in traditional metres and rhyme schemes.

N-VAR

Wikipédia

Metre

The metre (or meter in American spelling; symbol: m) is the base unit of length in the International System of Units (SI).

The metre was originally defined in 1793 as one ten-millionth of the distance from the equator to the North Pole along a great circle, so the Earth's circumference is approximately 40000 km. In 1799, the metre was redefined in terms of a prototype metre bar. The actual bar used was changed in 1889. In 1960, the metre was redefined in terms of a certain number of wavelengths of a certain emission line of krypton-86.

The current definition was adopted in 1983 and modified slightly in 2002 to clarify that the metre is a measure of proper length. From 1983 until 2019, the metre was formally defined as the length of the path travelled by light in a vacuum in 1/299792458 of a second. After the 2019 redefinition of the SI base units, this definition was rephrased to include the definition of a second in terms of the caesium frequency Δν_Cs.

https://en.wikipedia.org/wiki/Metre

Exemplos do corpo de texto para metre

1. Records were mislaid and even birds flying overhead would add their contribution to the 100 metre long, 20 metre deep, 40 metre wide constructions.

2. We thought, every metre we dig is one metre closer to the surface," they said.

3. "So we‘ve gone from a 50–metre stack to a 10–metre pile of rubble," he said.

4. But when a 1.8–metre gator tangled with a 3.'–metre python recently, the result wasn‘t pretty.

5. In 2003, aged nine, Tom became British diving champion in the '–to–11 age group on the one–metre springboard, the three–metre springboard and the five–metre platform, doing two–and–a–half somersaults, forwards and backwards.