| 释义 |
Definition of joule in English: joule(also J) noun dʒuːldʒul The SI unit of work or energy, equal to the work done by a force of one newton when its point of application moves one metre in the direction of action of the force, equivalent to one 3600th of a watt-hour. 焦耳（功和能量的国际公制单位） Example sentencesExamples - One calorie of heat is equivalent to 4.2 joules of work.
- And a joule is indeed a sensible sort of unit in everyday life - a 60-watt lightbulb radiates 60 joules of energy every second.
- They reckon it would release two billion joules of energy.
- One joule of output energy will energise approximately 6 miles of wire with no interference.
- The unit of absorbed dose is call the gray, which is the amount of energy in joules from the radiation absorbed per kilogram of the absorbing material.
OriginLate 19th century: named after J. P. Joule (see Joule, James Prescott). Definition of joule in US English: joule(also J) nounjo͞oldʒul The SI unit of work or energy, equal to the work done by a force of one newton when its point of application moves one meter in the direction of action of the force, equivalent to one 3600th of a watt-hour. 焦耳（功和能量的国际公制单位） Example sentencesExamples - One joule of output energy will energise approximately 6 miles of wire with no interference.
- The unit of absorbed dose is call the gray, which is the amount of energy in joules from the radiation absorbed per kilogram of the absorbing material.
- And a joule is indeed a sensible sort of unit in everyday life - a 60-watt lightbulb radiates 60 joules of energy every second.
- One calorie of heat is equivalent to 4.2 joules of work.
- They reckon it would release two billion joules of energy.
OriginLate 19th century: named after J. P. Joule (see Joule, James Prescott). |