What's the difference between peak and peck?

Peak


Definition:

  • (n.) A point; the sharp end or top of anything that terminates in a point; as, the peak, or front, of a cap.
  • (n.) The top, or one of the tops, of a hill, mountain, or range, ending in a point; often, the whole hill or mountain, esp. when isolated; as, the Peak of Teneriffe.
  • (n.) The upper aftermost corner of a fore-and-aft sail; -- used in many combinations; as, peak-halyards, peak-brails, etc.
  • (n.) The narrow part of a vessel's bow, or the hold within it.
  • (n.) The extremity of an anchor fluke; the bill.
  • (v. i.) To rise or extend into a peak or point; to form, or appear as, a peak.
  • (v. i.) To acquire sharpness of figure or features; hence, to look thin or sicky.
  • (v. i.) To pry; to peep slyly.
  • (v. t.) To raise to a position perpendicular, or more nearly so; as, to peak oars, to hold them upright; to peak a gaff or yard, to set it nearer the perpendicular.

Example Sentences:

  • (1) The coefficient of variation in the integrated area of a single peak is 16%.
  • (2) Here we show that this induction of AP-2 mRNA is at the level of transcription and is transient, reaching a peak 48-72 hr after the addition of RA and declining thereafter, even in the continuous presence of RA.
  • (3) Amino acid sequence analysis showed that both peaks had identical N-terminal sequences through the first 28 residues.
  • (4) These observations were confirmed by the killing curves in pooled serum obtained at peak and trough levels.
  • (5) The peak molecular weight never reached that of a complete 2:1 complex.
  • (6) Peak Expiratory Flow and Forced Expiratory Mean Flows in the ranges 0-25%, 25-50% and 50-75% of Forced Vital Capacity were significantly reduced in animals exposed to gasoline exhaust fumes, whereas the group exposed to ethanol exhaust fumes did not differ from the control group.
  • (7) We’re learning to store peak power in all kinds of ways: a California auction for new power supply was won by a company that uses extra solar energy to freeze ice, which then melts during the day to supply power.
  • (8) No significant correlations of peak VO2 were observed between the 3 tests.
  • (9) Peaks in the sperm index were preceded by 6 days with peaks in the serum testosterone concentration.
  • (10) Peak incidence is found among 40 to 49-year-old and 60 to 64-year-old women.
  • (11) The remainder of the radioactivity appeared chromatographically just prior to the bisantrene peak, indicating that compounds more polar than the parent were present as transformation products.
  • (12) The curve of mitoses peaked at the same time as that of TK activity but was only 68% as extensive.
  • (13) We conclude that the rat somatosympathetic reflex consists of an early excitatory component due to the early activation of RVL-spinal sympathoexcitatory neurons with rapidly conducting axons and a later peak that may arise from the late activation of these same neurons as well as the early activation of RVL vasomotor neurons with more slowly conducting spinal axons.
  • (14) The ACTH deficiency recovered spontaneously, with normal cortisol responses to depot Synacthen (greater than 1380 at 6 h) and hypoglycemia (peak, 590) 14 and 18 months postpartum, respectively.
  • (15) No relationship was found with the absolute value of either peak or area GH.
  • (16) GnRH infusion produced an immediate increase in plasma LH concentrations in the mares that ovulated during the infusion period and LH levels peaked at the time of ovulation.
  • (17) In guinea pig ventricular myocytes, the positive contractile staircase was associated with ascending staircases of both peak systolic and end diastolic [Ca2+]i because of a cumulative increase in diastolic [Ca2+]i.
  • (18) A considerably greater increase in the peak plasma OT concentration resulted when hungry foster litters of 6 pups were suckled after the mothers' own 6 pups had been suckled.
  • (19) The incidence was 0.31 per 1000 gynaecological admissions and the peak age incidence was in the age group 26 to 35 years.
  • (20) A relative net reduction of 47% in lactose malabsorption was produced by adding food, and the peak-rise in breath H2 was delayed by 2 hours.

Peck


Definition:

  • (n.) The fourth part of a bushel; a dry measure of eight quarts; as, a peck of wheat.
  • (n.) A great deal; a large or excessive quantity.
  • (v.) To strike with the beak; to thrust the beak into; as, a bird pecks a tree.
  • (v.) Hence: To strike, pick, thrust against, or dig into, with a pointed instrument; especially, to strike, pick, etc., with repeated quick movements.
  • (v.) To seize and pick up with the beak, or as with the beak; to bite; to eat; -- often with up.
  • (v.) To make, by striking with the beak or a pointed instrument; as, to peck a hole in a tree.
  • (v. i.) To make strokes with the beak, or with a pointed instrument.
  • (v. i.) To pick up food with the beak; hence, to eat.
  • (n.) A quick, sharp stroke, as with the beak of a bird or a pointed instrument.

Example Sentences:

  • (1) The first was a passive avoidance task in which the chicks were allowed to peck at a green training stimulus (a small light-emitting diode, LED) coated in the bitter liquid, methylanthranilate, giving rise to a strong disgust response and consequent avoidance of the green stimulus.
  • (2) The rate of key pecking in a component was negatively related to the proportion of reinforcers from the alternative (variable-time) source.
  • (3) No pigeon attacked the target; one pecked the shockplug on its back.
  • (4) This 'object' function is the summation of the food uptake by one second of pecking and one second of filter feeding.
  • (5) So strong is this image of Peck that his few honourable attempts at comedy, and his less successful portrayals of the baddie, are often forgotten.
  • (6) Hens socially dominant in three bird pens had higher liver fat accumulation than hens lower on the peck order but liver fat accumulation for the dominant hens still averaged less than hens housed either two or one per cage.
  • (7) He tweeted on Wednesday: “I did not pull out of presenting the Rory Peck Awards - they dropped me.” The awards were set up in 1995 in memory of freelance cameraman Rory Peck, who was killed in Moscow in 1993.
  • (8) Pigeons were trained to peck a key on a multi FR30-FI3' schedule.
  • (9) Five pigeons pecked for food reinforcers on a concurrent variable-interval one-minute, variable-interval four-minute schedule.
  • (10) Day-old chicks peck when offered a bright bead; if the bead is coated with the bitter-tasting methylanthranilate (M) they avoid it thereafter.
  • (11) "You also said we haven't ended up with local radio at the bottom of the pecking order.
  • (12) The drug initially produced a marked decrease in aggressive behavior but had little or no effect on key pecking.
  • (13) The results showed that pigeons alternate when frequency-dependent selection is applied to single pecks because alternation is an easy-to-learn stable pattern that satisfies the frequency-dependent condition.
  • (14) At 6ft 3in tall, the lanky Peck was a pillar of moral rectitude standing up for decency and tolerance.
  • (15) The effects of three amphetamine analogs were assessed in pigeons key pecking under a multiple 3-min fixed-interval (FI), 30 response fixed-ratio (FR) schedule of food presentation.
  • (16) Subsequently, over three phases, additions were made during the random-interval 1-minute component as follows: pecks during the component occasionally were punished by timeout presentation (Phase 1), timeouts were presented independently of responding during the component (Phase 2), pecks during the component occasionally were punished by electric-shock presentation (Phase 3).
  • (17) Trade ministers, much lower down the pecking order, are more sanguine.
  • (18) Genetic stock by age and beak treatment by age interactions were present for hen-housed production and egg mass, and the interactions appeared to result primarily from increased mortality from cannibalistic pecking with increased age.
  • (19) In the swinging 1960s, Peck's sober style seemed a little out of place, though he appeared in a couple of flashy Hitchcockian thrillers, Mirage (1965) and Arabesque (1966), and adapted to the new Hollywood as best he could, looking rather bothered as the father of a demon in The Omen (1976).
  • (20) Pigeons' pecks were conditioned with food reinforcement.