radiation-cooled structure
91cluster — clusteringly, adv. clustery, adj. /klus teuhr/, n. 1. a number of things of the same kind, growing or held together; a bunch: a cluster of grapes. 2. a group of things or persons close together: There was a cluster of tourists at the gate. 3. U.S …
92Mars — /mahrz/, n. 1. the ancient Roman god of war and agriculture, identified with the Greek god Ares. 2. Astron. the planet fourth in order from the sun, having a diameter of 4222 miles (6794 km), a mean distance from the sun of 141.6 million miles… …
93nebula — nebular, adj. /neb yeuh leuh/, n., pl. nebulae / lee , luy /, nebulas. 1. Astron. a. Also called diffuse nebula. a cloud of interstellar gas and dust. Cf. dark nebula, emission nebula, reflection nebula …
94nuclear ceramics — Introduction ceramic materials employed in the generation of nuclear power (nuclear energy) and in the disposal of radioactive nuclear wastes. In their nuclear related functions, ceramics are of major importance. Since the beginning… …
95vegetable processing — Introduction preparation of vegetables (vegetable) for use by humans as food. Vegetables consist of a large group of plants consumed as food. Perishable when fresh but able to be preserved by a number of processing methods, they are… …
96M2 Browning — This article is about the .50 caliber M2 machine gun. For the Browning .30 06 machine gun, see M1919 Browning machine gun. Browning Machine Gun, Cal. .50, M2, HB M2HB heavy machine gun …
97Earth — This article is about the planet. For other uses, see Earth (disambiguation). Earth   …
98Fog — For other uses, see Fog (disambiguation). Part of the Nature series on Weather   Calendar seasons Spring  …
99optics — /op tiks/, n. (used with a sing. v.) the branch of physical science that deals with the properties and phenomena of both visible and invisible light and with vision. [1605 15; < ML optica < Gk optiká, n. use of neut. pl. of OPTIKÓS; see OPTIC,… …
100thunderstorm — /thun deuhr stawrm /, n. a transient storm of lightning and thunder, usually with rain and gusty winds, sometimes with hail or snow, produced by cumulonimbus clouds. Also called electrical storm. [1645 55; THUNDER + STORM] * * * Violent, short… …
