small particles
71Aeolian processes — Aeolian (or Eolian or Æolian) processes pertain to the activity of the winds and more specifically, to the winds ability to shape the surface of the Earth and other planets. Winds may erode, transport, and deposit materials, and are effective… …
72chemistry — /kem euh stree/, n., pl. chemistries. 1. the science that deals with the composition and properties of substances and various elementary forms of matter. Cf. element (def. 2). 2. chemical properties, reactions, phenomena, etc.: the chemistry of… …
73elastomer — elastomeric /i las teuh mer ik/, adj. /i las teuh meuhr/, n. Chem. an elastic substance occurring naturally, as natural rubber, or produced synthetically, as butyl rubber or neoprene. [1935 40; ELAST(IC) + O + Gk méros a part] * * * ▪ chemical… …
74nebula — 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 …
75Smoke detector — A smoke detector is a device that detects smoke, typically as an indicator of fire. Commercial, industrial, and mass residential devices issue a signal to a fire alarm system, while household detectors, known as smoke alarms, generally issue a… …
76Rumen — The rumen, also known as a paunch, forms the larger part of the reticulorumen, which is the first chamber in the alimentary canal of ruminant animals. It serves as the primary site for microbial fermentation of ingested feed. The smaller part of… …
77Günther Enderlein — (born 7 July 1872 in Leipzig; died 11 August 1968 in Wentdorf near Hamburg) was a German zoologist, entomologist and later a manufacturer of pharmaceutical products near Hamburg. Enderlein got some international fame because of his research about …
78Classical mechanics — This article is about the physics sub field. For the book written by Herbert Goldstein and others, see Classical Mechanics (book). Classical mechanics …
79centrifuge — centrifugation /sen trif yeuh gay sheuhn, trif euh /, n. /sen treuh fyoohj /, n., v., centrifuged, centrifuging. n. 1. an apparatus that rotates at high speed and by centrifugal force separates substances of different densities, as milk and cream …
80Nuclear fallout — Fallout redirects here. For other uses, see Fallout (disambiguation). Nuclear weapons History Warfare Arms race Design Testing …
