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combustion
4 ENTRIES FOUND:
Learner's definition of COMBUSTION
[noncount] technical
1
: the act of burning燃烧 — see also spontaneous combustion
- Combustion may occur at high temperatures.高温可能引起物体燃烧。
2
technical : a chemical reaction that occurs when oxygen combines with other substances to produce heat and usually light燃烧（一种化学反应） — see also internal combustion engine
- This ratio of air to fuel results in better combustion.空气与燃料的这种比例会产生较好的燃烧效果。
Example Sentences
Combustion may occur at high temperatures. This ratio of air to fuel results in better combustion.
Recent Examples on the Web The passionate Moon in Aries will form an early square to exceptional Pluto, potentially lighting some fires, but any combustion should slow down and cool off by the time the Moon enters reliable Taurus at 7:39 am EDT. 
Chicago Tribune, 13 Sep. 2022 If your fire is packed too densely, air can’t flow through to drive combustion; if your fuel is packed too loosely, then the air can’t get enough power to move quickly. Sarah Wells, Popular Mechanics, 13 Sep. 2022 Despite Toyota’s dominance in hybrid sales, the internal combustion component of its hybrids tends to have a droning sound. Mark Phelan, Detroit Free Press, 9 Sep. 2022 What this Jeep Recon will not be doing is replacing the Jeep Wrangler, and that model’s internal combustion powertrain. Wes Siler, Outside Online, 8 Sep. 2022 Meanwhile, the Air Force will get data on measurements of specific impulse, or ISP, combustion stability, vibration and shock profiles, and range of inlet pressures and temperatures. Eric Berger, Ars Technica, 2 Sep. 2022 But the transition to combustion power is less elegant, even using the blended Hybrid mode, with a noticeable pause as the four-cylinder fires up. Mike Duff, Car and Driver, 2 Sep. 2022 Reengineering decades of internal combustion-centric technology, business models, and supply chains should be easy, right? WIRED, 31 Aug. 2022 Where in March, workers in Assembly 1 were producing both electric and standard internal combustion SUVs on the same line, that space is now solely devoted to manufacturing EVs. William Thornton | Wthornton@al.com, al, 25 Aug. 2022 See More
Chicago Tribune, 13 Sep. 2022 If your fire is packed too densely, air can’t flow through to drive combustion; if your fuel is packed too loosely, then the air can’t get enough power to move quickly. Sarah Wells, Popular Mechanics, 13 Sep. 2022 Despite Toyota’s dominance in hybrid sales, the internal combustion component of its hybrids tends to have a droning sound. Mark Phelan, Detroit Free Press, 9 Sep. 2022 What this Jeep Recon will not be doing is replacing the Jeep Wrangler, and that model’s internal combustion powertrain. Wes Siler, Outside Online, 8 Sep. 2022 Meanwhile, the Air Force will get data on measurements of specific impulse, or ISP, combustion stability, vibration and shock profiles, and range of inlet pressures and temperatures. Eric Berger, Ars Technica, 2 Sep. 2022 But the transition to combustion power is less elegant, even using the blended Hybrid mode, with a noticeable pause as the four-cylinder fires up. Mike Duff, Car and Driver, 2 Sep. 2022 Reengineering decades of internal combustion-centric technology, business models, and supply chains should be easy, right? WIRED, 31 Aug. 2022 Where in March, workers in Assembly 1 were producing both electric and standard internal combustion SUVs on the same line, that space is now solely devoted to manufacturing EVs. William Thornton | Wthornton@al.com, al, 25 Aug. 2022 See More Word History
Etymology
Middle English combustioun "burning, calcination," borrowed from Anglo-French & Late Latin; Anglo-French combustion, borrowed from Late Latin combustiōn-, combustiō "burning up (of the dead or by the fires in hell)," from Latin combus-, variant stem of combūrere "to destroy with fire, reduce to ashes" + -tiōn-, tiō, suffix of verbal action — more at combust
First Known Use
15th century, in the meaning defined at sense 1
Time Traveler
The first known use of combustion was in the 15th century Phrases Containing combustion
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