| 释义 |
metre1 or (US) meter /mēˈtər/ noun- A base SI unit, the unit of length (symbol m), orig intended to be one ten-millionth of the distance from pole to equator
- Later the distance between two marks on a platinum-iridium bar kept in Paris
- Currently defined as the length of the path travelled by light in a vacuum during a time interval of a specific fraction of a second
- By British Act of Parliament (1963) 1 yard equals 0.9144 metre
ORIGIN: Fr mètre, from Gr metron measure metric /metˈrik/ adjective Relating to the metre, or to the metric system metˈrically adverb metˈricate transitive verb and intransitive verb To convert or change to the metric system metricāˈtion noun meˈtre-kilˈogram-secˈond adjective Relating to a system of scientific units for length, mass and time (abbrev MKS), now largely superseded by the SI meˈtre-kilˈogram-secˈond-amˈpere adjective Relating to the Giorgi system of scientific units for length, mass, time and current (abbrev MKSA) metric hundredweight see under hundred metric system noun The SI or any decimal system of weights and measures metric ton see under tonne ton1 /tun/ noun- (in full long ton) a unit of weight equivalent to 20cwt (2240lb or 1016kg)
- (in full short ton) a unit of weight equivalent to 2000lb (907.2kg, N American)
- (in full metric ton, also tonne) a unit of weight equal to 1000kg (approx 2204.6lb)
- (in full displacement ton) a unit used to measure the amount of water a ship displaces, equal to 2240lb or 35 cubic feet of sea water
- (in full register ton) a unit (orig a tun of wine) used to measure a ship's internal capacity, equal to 100 cubic feet
- (in full freight ton) a unit for measuring the space taken up by cargo, equal to 40 cubic feet
- 100 (informal)
- A score, total, etc of 100 (informal)
- 100mph (preceded by a or the; slang)
- A great weight (informal)
- (in pl) many, a great amount (informal). See also tonnage
ORIGIN: OE tunne a vat, tub; see tun -tonner combining form - Denoting a vehicle, vessel, etc weighing a specified number of tons or having a specified amount of tonnage
- A load of a specified number of tons
tonˈ-up adjective (slang) - (orig of a motorcyclist) travelling or having travelled at more than 100mph
- Fond of travelling at fast speed
- Noisy and reckless
noun - A speed of 100mph
- A person who habitually travels this fast
tonne /tun, ton/ noun The preferred name for a metric ton, a unit of weight equal to 1000 kilograms (2204.62lb, or 0.984 ton) ORIGIN: Fr |