peak

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peak

1. the pointed summit of a mountain
2. a mountain with a pointed summit
3. 
a. a sharp increase in a physical quantity followed by a sharp decrease
b. the maximum value of this quantity
c. (as modifier): peak voltage
4. Nautical
a. the extreme forward (forepeak) or aft (afterpeak) part of the hull
b. (of a fore-and-aft quadrilateral sail) the after uppermost corner
c. the after end of a gaff
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

peak

[pēk]
(geology)
The conical or pointed top of a hill or mountain.
An individual mountain or hill taken as a whole, used especially when it is isolated or has a pointed, conspicuous summit.
(meteorology)
The point of intersection of the cold and warm fronts of a mature extra-tropical cyclone.
(science and technology)
The maximum instantaneous value of a quantity.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
We say a Motzkin path is peakless whenever it has no peaks, and we write U[D.sub.n] to denote the set of peakless Motzkin paths of length n.
This allows it to be administered at flexible intervals of up to 42 hours (its duration of peakless action).
Dr Ala'a Al Din Mahmoud, Consultant Endocrinologist at NMC Speciality Hospital, advises Type 1 diabetic patients to take an insulin injection known as the "peakless long-acting insulin" (which lasts up to 24 hours), and is taken at a fixed time once a day.
Standard features: AC servomotors on all primary axes; heavy-duty ball screws; UB screw with high plasticating and mixing capacity; automatic mold-thickness setting; Jet Purge circuit; internal memory for 64 mold set-ups; Peakless Pressure Control circuit.