linear polymerization
91Cascade reaction — A cascade reaction or tandem reaction or domino reaction is a consecutive series of intramolecular organic reactions which often proceed via highly reactive intermediates. It allows the organic synthesis of complex multinuclear molecules from a… …
92algae — algal, adj. /al jee/, n.pl., sing. alga / geuh/. any of numerous groups of chlorophyll containing, mainly aquatic eukaryotic organisms ranging from microscopic single celled forms to multicellular forms 100 ft. (30 m) or more long, distinguished… …
93bone — /bohn/, n., v., boned, boning, adv. n. 1. Anat., Zool. a. one of the structures composing the skeleton of a vertebrate. b. the hard connective tissue forming the substance of the skeleton of most vertebrates, composed of a collagen rich organic… …
94Bône — /bohn/, n. former name of Annaba. * * * I Rigid connective tissue of vertebrates, consisting of cells embedded in a hard matrix. Bones serve as the body s supporting framework, provide muscle attachment points for movement, protect the internal… …
95polyester — polyesterification /pol ee es teuhr euh fi kay sheuhn/, n. /pol ee es teuhr, pol ee es teuhr/, n. 1. Chem. a polymer in which the monomer units are linked together by the group COO , usually formed by polymerizing a polyhydric alcohol with a… …
96polymer — /pol euh meuhr/, n. Chem. 1. a compound of high molecular weight derived either by the addition of many smaller molecules, as polyethylene, or by the condensation of many smaller molecules with the elimination of water, alcohol, or the like, as… …
97industrial glass — Introduction solid material that is normally lustrous and transparent in appearance and that shows great durability under exposure to the natural elements. These three properties lustre, transparency, and durability make glass a favoured… …
98technology, 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… …
99chain — 1. In chemistry, a series of atoms held together by one or more covalent bonds. 2. In bacteriology, a linear arrangement of living cells that have divided in one plane and remain attached to each other. 3. A series of reactions. 4. In anatomy, a… …
100Crystallization of polymers — Spherulites viewed between crossed polarizers in an optical microscope. Crystallization of polymers is a process associated with partial alignment of their molecular chains. These chains fold together and form ordered regions called lamellae,… …
