Online Google Dictionary

peak 中文解釋 wordnet sense Collocation Usage Collins Definition
Adjective
/pēk/,
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peaks, plural;
  1. Greatest; maximum
    • - he did not expect to be anywhere near peak fitness until Christmas
  2. Characterized by maximum activity or demand
    • - at peak hours, traffic speeds are reduced considerably
Verb
  1. Decline in health and spirits; waste away

Noun
  1. The pointed top of a mountain
    • - the snowy peaks rose against the blue of a cloudless sky
  2. A mountain, esp. one with a pointed top
    • - the rocky outcrops of peaks such as the Cassongrat offer a challenge to rock climbers
  3. A projecting pointed part or shape
    • - whisk 2 egg whites to stiff peaks
  4. A point in a curve or on a graph, or a value of a physical quantity, higher than those around it
    • - a slight increase in velocity provides a second peak on the general velocity curve
  5. The point of highest activity, quality, or achievement
    • - anyone who saw Jones at his peak looked upon genius
  6. A stiff brim at the front of a cap

  7. The narrow part of a ship's hold at the bow or stern

  8. The upper, outer corner of a sail extended by a gaff


  1. extremum: the most extreme possible amount or value; "voltage peak"
  2. top out: to reach the highest point; attain maximum intensity, activity; "That wild, speculative spirit peaked in 1929";"Bids for the painting topped out at $50 million"
  3. flower: the period of greatest prosperity or productivity
  4. acme: the highest level or degree attainable; the highest stage of development; "his landscapes were deemed the acme of beauty"; "the artist's gifts are at their acme"; "at the height of her career"; "the peak of perfection"; "summer was at its peak"; "... ...
  5. the top or extreme point of something (usually a mountain or hill); "the view from the peak was magnificent"; "they clambered to the tip of Monadnock"; "the region is a few molecules wide at the summit"
  6. point: a V shape; "the cannibal's teeth were filed to sharp points"
  7. In geometry, a peak is an (n-3)-face of an n-dimensional polytope.
  8. In phonetics and phonology, the nucleus (sometimes called peak) is the central part of the syllable, most commonly a vowel. In addition to a nucleus, a syllable may begin with an onset and end with a coda, but in most languages the only part of a syllable that is mandatory is the nucleus. ...
  9. Peak is a young adults novel, written by Roland Smith. Genre- Realistic Fiction
  10. Cmax is a term used in pharmacokinetics refers to the maximum (or peak) concentration that a drug achieves in tested area after the drug has been administrated and prior to the administration of a second dose. ...
  11. In topography, a summit is a point on a surface that is higher in elevation than all points immediately adjacent to it. Mathematically, a summit is a local maximum in elevation. The topographic terms "acme", "apex", "peak", and "zenith" are synonyms.
  12. Victoria Peak is a mountain in Hong Kong. It is also known as Mount Austin, and locally as The Peak. The mountain is located in the western half of Hong Kong Island. ...
  13. A point; the sharp end or top of anything that terminates in a point; as, the peak, or front, of a cap; The highest value reached by some quantity in a time period; The top, or one of the tops, of a hill, mountain, or range, ending in a point; often, the whole hill or mountain, especially when ...
  14. (Peaks) The mounds made in a mixture. For example, egg white that has been whipped to stiffness. Peaks are “stiff” if they stay upright, or “soft” if they curl over.
  15. That part of the business day in which cellular customers pay full service rates. Peak hours are generally 6:00 a.m. - 10:00 p.m.
  16. The uppermost point of a gable.
  17. Measurement of the maximum load that is consumed within a specified time period.
  18. The maximum amplitude of a voltage or current.
  19. The time when a wine tastes its best--very subjective.
  20. This is the highest part of the wave above still water level. See also "Crest."
  21. initial notes expressed in fits and starts.
  22. Point on a truss where the sloped top chords meet.
  23. The transition from the end of an economic expansion to the start of a contraction.
  24. The maximum positive or negative value of a sine wave.
  25. Periods of relatively high system demands.