(n.) A force in nature which is recognized in various effects, but especially in the phenomena of fusion and evaporation, and which, as manifested in fire, the sun's rays, mechanical action, chemical combination, etc., becomes directly known to us through the sense of feeling. In its nature heat is a mode if motion, being in general a form of molecular disturbance or vibration. It was formerly supposed to be a subtile, imponderable fluid, to which was given the name caloric.
(n.) The sensation caused by the force or influence of heat when excessive, or above that which is normal to the human body; the bodily feeling experienced on exposure to fire, the sun's rays, etc.; the reverse of cold.
(n.) High temperature, as distinguished from low temperature, or cold; as, the heat of summer and the cold of winter; heat of the skin or body in fever, etc.
(n.) Indication of high temperature; appearance, condition, or color of a body, as indicating its temperature; redness; high color; flush; degree of temperature to which something is heated, as indicated by appearance, condition, or otherwise.
(n.) A single complete operation of heating, as at a forge or in a furnace; as, to make a horseshoe in a certain number of heats.
(n.) A violent action unintermitted; a single effort; a single course in a race that consists of two or more courses; as, he won two heats out of three.
(n.) Utmost violence; rage; vehemence; as, the heat of battle or party.
(n.) Agitation of mind; inflammation or excitement; exasperation.
(n.) Animation, as in discourse; ardor; fervency.
(n.) Sexual excitement in animals.
(n.) Fermentation.
(v. t.) To make hot; to communicate heat to, or cause to grow warm; as, to heat an oven or furnace, an iron, or the like.
(v. t.) To excite or make hot by action or emotion; to make feverish.
(v. t.) To excite ardor in; to rouse to action; to excite to excess; to inflame, as the passions.
(v. i.) To grow warm or hot by the action of fire or friction, etc., or the communication of heat; as, the iron or the water heats slowly.
(v. i.) To grow warm or hot by fermentation, or the development of heat by chemical action; as, green hay heats in a mow, and manure in the dunghill.
(imp. & p. p.) Heated; as, the iron though heat red-hot.
Example Sentences:
(1) Tryptic digestion of the membranes caused complete disappearance of the binding activity, but heat-treatment for 5 min at 70 degrees C caused only 40% loss of activity.
(2) A new and simple method of serotyping campylobacters has been developed which utilises co-agglutination to detect the presence of heat-stable antigens.
(3) The 40 degrees C heating induced an increase in systolic, diastolic, average and pulse pressure at rectal temperature raised to 40 degrees C. Further growth of the body temperature was accompanied by a decrease in the above parameters.
(4) The effect of heat on glucocorticoids of plasma was not significant.
(5) This Mr 20,000 inhibitory activity was acid and heat stable and sensitive to dithiothreitol and trypsin.
(6) There is a relationship between the duration of stimulation (t) and the total heat production (H) of the type H = A plus bt, where A and b are constants.
(7) This suggests that there was a deterioration of the vasoconstrictor response and indicated a possible effect of heat at the receptor or effector level.
(8) While both inhibitors caused thermosensitization, they did not affect the time scale for the development of thermotolerance at 42 degrees C or after acute heating at 45 degrees C. The inhibitors of poly(ADP-ribosylation) radiosensitizers and thermosensitizers may be of use in the treatment of cancer using a combined modality of radiation and hyperthermia.
(9) The binding to DNA-cellulose of heat-activated [3H]RU486-receptor complexes was slightly decreased (37%) when compared with that of the agonist [3H]R5020-receptor complexes (47%).
(10) By means of rapid planar Hill type antimony-bismuth thermophiles the initial heat liberated by papillary muscles was measured synchronously with developed tension for control (C), pressure-overload (GOP), and hypothyrotic (PTU) rat myocardium (chronic experiments) and after application of 10(-6) M isoproterenol or 200 10(-6) M UDCG-115.
(11) The return of NE to normal levels after one month is consistent with the observation that LH-lesioned rats are by one month postlesion no longer hypermetabolic, but display levels of heat production appropriate to the reduced body weight they then maintain.
(12) It is the action of this protease that releases the enzyme from the membrane, as shown by the observations that protease inhibitors decreased the amount of solubilization of the enzyme, and the enzyme remaining in the membrane after heating showed much less proteolytic cleavage than that which was released.
(13) The apparent sensitivity of Escherichia coli K12 to mild heat was increased by recA (def), recB and polA, but not by uvrA, uvrB or recF mutations.
(14) Michele Hanson 'The heat finally broke – I realised something had to change …' Stuart Heritage (right) with his brother in 2003.
(15) The data suggest that inhibition of gain in weight with the addition of pyruvate and dihydroxyacetone to the diet is the result of an increased loss of calories as heat at the expense of storage as lipid.
(16) Induction of both potential transcripts follows heat shock in vivo.
(17) Lebedev punched Polonsky during a heated early recording of NTVshniki.
(18) At the site of injury heat itself causes microvascular damage.
(19) Acid-fast bacilli were isolated from 3 out of 41 mice inoculoted with heat killed bacilli.
(20) Mean run time and total ST time were faster with CE (by 1.4 and 1.2 min) although not significantly different (P less than 0.06 and P less than 0.10) from P. Subjects reported no significant difference in nausea, fullness, or stomach upset with CE compared to P. General physiological responses were similar for each drink during 2 h of multi-modal exercise in the heat; however, blood glucose, carbohydrate utilization, and exercise intensity at the end of a ST may be increased with CE fluid replacement.
Imponderable
Definition:
(a.) Not ponderable; without sensible or appreciable weight; incapable of being weighed.
(n.) An imponderable substance or body; specifically, in the plural, a name formerly applied to heat, light, electricity, and magnetism, regarded as subtile fluids destitute of weight but in modern science little used.
Example Sentences:
(1) And “events” – the great imponderables of campaigns – have also been helping Labor.
(2) Certainly there are distinctive environmental, physiological and psychological problems that must be considered, but these should not be imponderable.
(3) Eurozone finance ministers are to meet in Brussels on Monday to ponder their options, but are unlikely to decide very much, given the political imponderables and the unresolved splits between German-led belt-tighteners and French-led proponents of growth policies as the answer to Europe's travails.
(4) Finally, it has been amply demonstrated that the resistance of the host is dependent on a variety of factors which include innate variables such as genetic endowment and a multitude of imponderable variables acquired through life experiences which can be considered under the general category of "host factors".
(5) It is suggested that, while base rates are largely imponderable, the prior probabilities of individual cases are not.
(6) Notwithstanding these positive caveats, the vagaries and imponderables of the commercial world still prevail.
(7) True, society offers many kinds of assistance and support; it nevertheless is very much a matter of how the individual concerned reacts to the positive and negative influences and imponderabilities encountered.
(8) The imponderableness of the causal meaning of biographical events is demonstrated.
(9) The limit values prescribed by German drinking water regulations for "pesticides and their toxic main metabolites" (PBSM) protect the consumer from imponderable toxicological risks.
(10) "Having spoken to the complainants, Ms Levitt QC has concluded that, although there are a number of imponderables, had the police and prosecutors taken a different approach a prosecution might have been possible in relation to three of the four allegations."
(11) They really mean to say: 'he's taking on a pot or baulk imponderable here'.
(12) Why someone is prepared to is one of life’s imponderables: you can’t eat it, live in it or wear it, so by any logical measure, a work of art should be worth next to nothing.
(13) As Salazar wrote in his recent autobiography: "Running a marathon is in many ways an imponderable exercise.
(14) More severe chronic symptoms are generally required as indication for mitral valve replacement because of the additional long-term imponderabilities imposed by an implanted artificial device.
(15) This type of vaccine contains certain imponderables which argue against widespread vaccination.
(16) However, the actual survivorship attained will ultimately be determined by currently imponderable factors such as patient acceptance of longterm screening, frequency of multicentric respiratory cancers, and incidence of noncancerous smoking-related diseases, especially chronic obstructive pulmonary disease and ischemic heart disease.
(17) There are all sorts of imponderables, from the size of the dose to the timing and location of the injection to the critical issue of whether the stem cells will survive inside the body, which mean it will be years before we have any clear idea as to whether this is going to work.
(18) In spite of imponderables which affect the failure rate in the "clinical trial", a positive result was obtained on first vaccination in 85%.
(19) The biggest imponderable is perhaps whether the AfD, an anti-euro party, makes it into parliament.