(v. t.) The young birds hatched at one time; a hatch; as, a brood of chickens.
(v. t.) The young from the same dam, whether produced at the same time or not; young children of the same mother, especially if nearly of the same age; offspring; progeny; as, a woman with a brood of children.
(v. t.) That which is bred or produced; breed; species.
(v. t.) Heavy waste in tin and copper ores.
(a.) Sitting or inclined to sit on eggs.
(a.) Kept for breeding from; as, a brood mare; brood stock; having young; as, a brood sow.
(v. i.) To sit on and cover eggs, as a fowl, for the purpose of warming them and hatching the young; or to sit over and cover young, as a hen her chickens, in order to warm and protect them; hence, to sit quietly, as if brooding.
(v. i.) To have the mind dwell continuously or moodily on a subject; to think long and anxiously; to be in a state of gloomy, serious thought; -- usually followed by over or on; as, to brood over misfortunes.
(v. t.) To sit over, cover, and cherish; as, a hen broods her chickens.
(v. t.) To cherish with care.
(v. t.) To think anxiously or moodily upon.
Example Sentences:
(1) Some people are lucky enough to have someone to look after them,” Leigh broods.
(2) Under resting conditions thoracic skin temperature (Tths) and metabolic heat production (M) were significantly higher in broody than in non-broody hens, indicating a permanently increased conductance of the brood patch.
(3) As well as George Dyer, there was the murderer Perry Smith in the Truman Capote story Infamous, the hot-headed mobster child-killer in Road To Perdition, the brooding Ted Hughes in Gwyneth Paltrow’s Sylvia biopic and a belligerent Mossad assassin in Steven Spielberg’s Munich.
(4) Testosterone levels dropped at the onset of incubation and remained low through the brooding period.
(5) Starting small, with oddly tweaked vocal samples and ominous-sounding piano, the first half is brilliantly brooding, to the point where the first chorus of “I love these streets but they weren’t meant for me to walk” arrives at the 45-second mark just as all the music drops away completely.
(6) The other half was brooded on either new or reused litter without paper.
(7) These changes suggest that all the food was not being digested by the adult birds during brooding but was almost exclusively regurgitated to feed the squabs.
(8) The strains differ in their effects on the sex ratio and size of another female's brood in the same host.
(9) From the beginning, her father was determined that his brood – Hodge is one of five – be fully integrated.
(10) The X-ray component of dominant lethality in brood 1, representing mostly mature spermatozoa, was negative, indicating a lower than expected lethality induced by X-irradiation in the presence of P element mobility.
(11) The effects of tritoqualine and alpha-hydrazinohistidine injected into eggs on the 16th, 17th or 18th day of chick embryo age on hatching time, histamine level and diamine oxidase (DAO) activity in brood's tissues were also examined.
(12) T levels increased slightly toward the end of the brooding phase.
(13) The three brood Ceriodaphnia dubia test was carried out three nonconsecutive times, each period being separated by the previous one by three weeks.
(14) Brooding neonates at 26.7 C for 3 days in Trials 3 and 4 resulted in consistently lower body weights and gain and higher serum corticosterone, thyroxine, total protein, albumin, and globulin.
(15) We took a couple of days to brood, and then I spoke to Justin and said I thought I should give in, if I didn't have to have anything to do with the winner.
(16) A bookish teenager regarded as the smartest of the Murdoch brood, James endured an awkward adolescence in the public eye and was famously photographed asleep on a sofa at a press conference while working as a 15-year-old intern at his father's old paper, the Sydney Mirror, a picture the rival Sydney Morning Herald gleefully ran on its front page the next day.
(17) We have examined the effects of relaxing each of these assumptions and obtained the following results: (1) When broods mature asynchronously the optimum sex ratio is considerably more female biased than the Hamiltonian prediction.
(18) Q has upped his gadget game Facebook Twitter Pinterest The brooding and sombre Skyfall scored a few points for post-modern playfulness via its introductory scene for the new Q, in which Ben Whishaw might as well have offered Bond a couple of Netflix vouchers and a year’s subscription to Cosmopolitan for all the wow factor his proffered “gadgets” achieved.
(19) One-d-old chicks placed in corners of a 29 x 14 m brooding area dispersed evenly over the whole area in a period of 48 h. 3.
(20) In an attempt to identify a minimum prophylactic dose of BCG which would not induce granulomas, cotton rats were treated intraperitoneally with various doses of BCG (10(1) to 10(7) colony-forming units [CFU]) and then inoculated intraperitoneally with one brood capsule of the parasite.
Incubation
Definition:
(n.) A sitting on eggs for the purpose of hatching young; a brooding on, or keeping warm, (eggs) to develop the life within, by any process.
(n.) The development of a disease from its causes, or its period of incubation. (See below.)
(n.) A sleeping in a consecrated place for the purpose of dreaming oracular dreams.
Example Sentences:
(1) The fraction of the viral dose which became cell associated was independent of the incubation temperature and increased with increasing target membrane concentration.
(2) Incubation with IFN alpha or IFN gamma for 24 h resulted in only modest cytokinetic alterations, and they did not modify the effects of FUra.
(3) Immunocompetence was also evident when the cells from thymectomized donors were first incubated with thymus extract for 1 hr and subsequently tested for reactivity.
(4) Collagen production of rapidly thawed ligaments was studied by proline incubation at 1 day, 9 days, or 6 weeks after freezing and was compared with that of contralateral fresh controls.
(5) However, decapitation did not eliminate the sex difference in the tissue content of P4 during control incubations.
(6) Release of 51Cr was apparently a function of immune thymus-derived lymphocytes (T cells) because it was abrogated by prior incubation of spleen cells with anti-thymus antiserum and complement but was undiminished by passage of spleen cells through nylon-wool columns.
(7) Augmentation of transformation response was generally not seen at 40 degrees C; incubation at that temperature was associated with decreased cellular viability.
(8) Sperm were examined at 4.5 h, 8 to 9 h, and 24 to 25 h of incubation (37 degrees C, 5% CO2, and 95% air).
(9) Arteries treated with atrial natriuretic peptide showed no alterations in relaxation or cGMP content after incubation with pertussis toxin.
(10) A similar interference colour appeared after incubating sections of rat skin with chymase.
(11) Short incubations with heparin (5 min) caused a release of the enzyme into the media, while longer incubations caused a 2-8-fold increase in net lipoprotein lipase secretion which was maximal after 2-16 h depending on cell type, and persisted for 24 h. The effect of heparin was dose-dependent and specific (it was not duplicated by other glycosaminoglycans).
(12) Cells (1 x 10(5)) were seeded in 12- x -75-mm tissue culture tubes and incubated with various doses of IL-1 beta, IL-1 alpha, TNF-alpha, and IFN-gamma, alone or in specific combinations, for 15 min, two, 12, 24, and 72 h. PGE concentrations in the media were measured by radio-immunoassay.
(13) Control incubations revealed an inherent difference between the two substrates; gram-positive supernatants consistently contained 5% radioactivity, whereas even at 0 h, those from the gram-negative mutant released 22%.
(14) In K+-depolarized basilar arteries, ifenprodil competitively antagonized the response to Ca2+, and this was enhanced by pre-incubation in calcium hopantenate.
(15) The enzyme was quantitated by incubation of 16-micron-thick brain sections with 0.07-2 nM of the converting enzyme inhibitor 125I-351A and comparison to 125I-standards.
(16) This capacity is expressed during incubation of the bacteria with the substrate and needs a source of carbon and other energy metabolites.
(17) Finally, it could be observed that elevated osmotic pressures reduced the lysis of isolated secretory granules when bicarbonate ions were present in the incubation medium.
(18) The disappearance of the herbicide, Avadex (40% diallate), from five agricultural soils (differing in either pH, carbon content, or nitrogen content), incubated under sterile and non-sterile conditions, was followed for a period of 20 weeks.
(19) Three effector: target ratios (6.2:1, 25:1, and 50:1) were studied in quadruplicate using 3, 4 and 5-h incubations.
(20) Plaque size, appearance, and number were influenced by diluent, incubation temperature after nutrient overlay, centrifugation of inoculated tissue cultures, and number of host cells planted initially in each flask.