abrasion wear
81elastomer — 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… …
82mammal — 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… …
83cobalt processing — Introduction preparation of the metal for use in various products. Below 417° C (783° F), cobalt (Co) has a stable hexagonal close packed crystal structure. At higher temperatures up to the melting point of 1,495° C (2,723° F), the… …
84Ceramic materials — Ceramic Si3N4 bearing parts Ceramic materials are inorganic, non metallic materials and things made from them. They may be crystalline or partly crystalline. They are formed by the action of heat and subsequent cooling.[1] Clay was one of the… …
85Tooth (human) — For other uses of tooth or teeth , see Tooth (disambiguation). Teeth An adult human s teeth …
86erosion — I (New American Roget s College Thesaurus) n. eating or wearing away, disintegration. See deterioration, friction. II (Roget s IV) n. Syn. wearing away, eating away, washing away, land despoliation, desedimentation, ablation, leaching away,… …
87Polyoxymethylene plastic — Polyoxymethylene (POM), in the USA also commonly known under DuPont s brand name Delrin, is an engineering plastic, a polymer with the chemical formula ( O CH2 )n . It is often marketed and used as a metal substitute. Delrin is a lightweight, low …
88Belt (mechanical) — For other belts, see Belt (disambiguation). A pair of vee belts …
89Mammal tooth — Contents 1 Mammals 1.1 Rabbit 1.2 Rodent 1.3 Horse 1.4 Humans …
90wearing — I noun 1. (geology) the mechanical process of wearing or grinding something down (as by particles washing over it) • Syn: ↑erosion, ↑eroding, ↑eating away, ↑wearing away • Derivationally related forms: ↑ …
