heat-producing
21Latent heat — Latent La tent (l[=a] tent), a. [L. latens, entis, p. pr. of latere to lie hid or concealed; cf. Gr. lanqa nein, E. lethargy: cf. F. latent.] 1. Not visible or apparent; hidden; concealed; secret; dormant; as, latent springs of action. [1913… …
22Specific heat — specific spe*cif ic (sp[ e]*s[i^]f [i^]k), a. [F. sp[ e]cifique, or NL. spesificus; L. species a particular sort or kind + facere to make. Cf. {specify}.] 1. Of or pertaining to a species; characterizing or constituting a species; possessing the… …
23Dead heat — Dead Dead (d[e^]d), a. [OE. ded, dead, deed, AS. de[ a]d; akin to OS. d[=o]d, D. dood, G. todt, tot, Icel. dau[eth]r, Sw. & Dan. d[ o]d, Goth. daubs; prop. p. p. of an old verb meaning to die. See {Die}, and cf. {Death}.] 1. Deprived of life;… …
24efficiency of a heat engine — efficience ef*fi cience ([e^]f*f[i^]sh ens), efficiency ef*fi cien*cy ([e^]f*f[i^]sh en*s[y^]), n. [L. efficientia.] 1. The quality of being efficient or producing an effect or effects; efficient power; effectual agency. [1913 Webster] The manner …
25technology, history of — Introduction the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …
26human disease — Introduction an impairment of the normal state of a human being that interrupts or modifies its vital functions. health versus disease Before human disease can be discussed, the meanings of the terms health, physical fitness, illness …
27mammal — mammallike, adj. /mam euhl/, n. any vertebrate of the class Mammalia, having the body more or less covered with hair, nourishing the young with milk from the mammary glands, and, with the exception of the egg laying monotremes, giving birth to… …
28Earth — This article is about the planet. For other uses, see Earth (disambiguation). Earth   …
29advanced ceramics — ▪ ceramics Introduction substances and processes used in the development and manufacture of ceramic materials that exhibit special properties. As is pointed out in the article ceramic composition and properties, ceramics are… …
30earth — /errth/, n. 1. (often cap.) the planet third in order from the sun, having an equatorial diameter of 7926 mi. (12,755 km) and a polar diameter of 7900 mi. (12,714 km), a mean distance from the sun of 92.9 million mi. (149.6 million km), and a… …
