(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.
Quantity
Definition:
(v. t.) To modify or qualify with respect to quantity; to fix or express the quantity of; to rate.
(n.) The attribute of being so much, and not more or less; the property of being measurable, or capable of increase and decrease, multiplication and division; greatness; and more concretely, that which answers the question "How much?"; measure in regard to bulk or amount; determinate or comparative dimensions; measure; amount; bulk; extent; size.
(n.) The extent or extension of a general conception, that is, the number of species or individuals to which it may be applied; also, its content or comprehension, that is, the number of its constituent qualities, attributes, or relations.
(n.) The measure of a syllable; that which determines the time in which it is pronounced; as, the long or short quantity of a vowel or syllable.
(n.) The relative duration of a tone.
(n.) That which can be increased, diminished, or measured; especially (Math.), anything to which mathematical processes are applicable.
(n.) A determinate or estimated amount; a sum or bulk; a certain portion or part; sometimes, a considerable amount; a large portion, bulk, or sum; as, a medicine taken in quantities, that is, in large quantities.
Example Sentences:
(1) By 24 hr, rough endoplasmic reticulum in thecal cells increased from 4.2 to 7% of cell volume, while the amount in granulosa cells increased from less than 3.5% to more than 10%; the quantity remained relatively constant in the theca but declined to prestimulation values in the granulosa layer.
(2) The amino acid pools in Chinese hamster lung V79 cells were measured as a function of time during hyperthermic exposure at 40.5 degrees and 45.0 degrees C. Sixteen of the 20 protein amino acids were present in sufficient quantity to measure accurately.
(3) The influence of calcium ions on the electrophoretic properties of phospholipid stabilized emulsions containing various quantities of the sodium salts of oleic acid (SO), phosphatidic acid (SPA), phosphatidylinositol (SPI), and phosphatidylserine (SPS) was examined.
(4) The quantity of social ties, the quality of relationships as modified by type of intimate, and the baseline level of symptoms measured five years earlier were significant predictors of psychosomatic symptoms among this sample of women.
(5) It is an intriguing moment: the new culture secretary, Sajid Javid, who was brought in to replace Maria Miller last month, is something of an unknown quantity.
(6) Lipoprotein electrophoresis on agarose gel has been modified to allow estimation of the absolute quantity of each fraction.
(7) Throughout the entire cultivation cytidyl derivatives occurred in trace quantities.
(8) However, in this last group, a significant negative relationship between the quantity of acetaldehyde bound to microsomal proteins and the monooxygenase-catalyzed transformation of butanol by liver microsomes was demonstrated (r = -0.79, P less than 0.01).
(9) With an increased quantity o blood per taking by blood bactericidia a decreased contamination rate is to be expected.
(10) The relative quantities of specific HLA-A and -B antigens on lymphocytes were also noted to be the same as those on platelets.
(11) Based on the economics of most countries in Africa, their Health Budgets can afford mostly the non-opioid and strong opioid drugs in more or less adequate quantities.
(12) On the other hand, the injection of minute quantities of endotoxin into PbAc(2)-sensitized rats invariably resulted in disseminated intravascular coagulation, apparently via a complete activation of the intrinsic pathway.
(13) The department of dietetics at a large teaching hospital has substantially reduced its food and labor costs through use of computerized systems that ensure efficient inventory management, recipe standardization, ingredient control, quantity and quality control, and identification of productive man-hours and appropriate staffing levels.
(14) The quantity of immunoreactive insulin found in the urine is believed to reflect the level of free insulin in the serum.
(15) At first Kupffer cells and liver fibroblasts were taken on the equal quantity.
(16) As monitored by in vivo near-infrared spectroscopy (NIR), no improvement was noted after 50% O2 whereas 50% O2-5% CO2 resulted in increased perfusion, an oxidation of cytochrome a,a3, an increase in oxyhemoglobin, and reduced quantities of de-oxyhemoglobin (p less than 0.01) despite a further increase in intracranial pressure.
(17) Measurable quantities of temefos were found in the snails within 1 day after the first treatment with a 2% granular formulation but 3 weeks elapsed before uptake occurred following treatment with a temefos emulsion.
(18) By contrast, SAP-35, the major surfactant-associated glycoprotein of molecular weight = 35,000, and other higher molecular weight proteins were not detected in significant quantities in the CLSE or surfactant-TA replacement surfactants, either by highly sensitive silver stain analysis or by immunoblot using monospecific antisera generated against bovine SAP-35.
(19) Healthbars such as Nakd fit this category and promise to deliver one of your five a day, based on the quantity of freeze-dried date paste used.
(20) The fact that it is still used is regrettable yet unavoidable at present, but the average quantity is three times less than the mercury released into the atmosphere by burning the extra coal need to power equivalent incandescent bulbs.