Difference between "peak" and "crest"?

[Steppe_Wf]

Hi all,

Could any one help me to explain the difference between "peak" and "crest" in technical field? I am confused about using them.

Thank you very much for your help?

Best Regards,
Steppe

[Mister Micawber]

Neither are particularly technical words. They are often synonymous, but often collocate differently ('a mountain peak', 'the crest of a wave'), so you'll have to let us know very specifically what technical applications you are concerned about.
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Native English teacher at Mister Micawber's

[Steppe_Wf]

Dear Miscawber,

I know that it depends on the situation, however; could you please figure out the situations that each of them are used? Actually, at the moment I do not have any situation, but when I look it up at the dictionary (English-Vietnamese) I see they have the same meaning.

Please help me.

Thanks for your support.

Best Regards,
Steppe

[Kitosdad]

Good morning Steppe.The explanation given to you by Mr. Micawber is the correct one.

Both terms are used to describe the highest point.

Your reference to " technical field " led me to think you were referring to the field of sound oscillations.

Kitos.
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[Daemon99]

A sinusoidal (sine) wave has crests and troughs. Crest is the highest point in the wave and trough is the lowest point. The distance between these two points is the amplitude (or 2*amplitude, may be) of the wave.
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[Milanya]

I might be wrong here, but I think that a peak is a point and a crest is a line. A mountain has a peak (the highest point), a mountain ridge has a crest (a line aling the highest part).
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con·text - The part of a text or statement that surrounds a particular word or passage and determines its meaning.

[Daemon99]

I think a mountain range has a ridge. (line along the highest points of the montains)

Crests and troughs are used to refer to highest and lowest points of a wave, respectively.
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Non-native speaker of English
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I intend to live forever - so far, so good.