Englishfor English speakers
exhaust
Verb
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To use up completely.
So many people came to dinner that we had exhausted the supply of silverware. I had to use my fingers.
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To empty by using.
The well was exhausted.
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To wear out; use up one's strength, patience, or resources.
You look exhausted, have you had any sleep?
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To completely develop or discuss some topic or idea.
We exhausted our money saving topic, there was nothing else to talk about on it.
exhaust
Noun
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The part of an engine or motor where burned gases or steam comes out.
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A pipe or vent used to take bad air out of a room or closed space.
emission
Noun
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Emissions are the gas, light, sound, etc. that are sent out.
Just over half of the total emissions is due to human activity.
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Emission is the sending out of gas, light, sound, etc.
The change prevented the emission of 51.8 million tons of carbon dioxide.
standard
Adjective
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If something is standard, it is typical or usual.
The store sells standard American food.
standard
Noun
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A standard is a quality that is the minimum or usual.
percent correct is the standard for an A at our school.
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A standard is a military or ceremonial flag carried on a pole or hoisted on a rope.