Addition polymer
a polymer formed by the direct reaction of two or more monomers, and with no resulting water or other by-product.
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- Addition polymerization
See under (def 2). the act or process of forming a polymer or compound. the combination of many like or unlike molecules to form a more complex product of higher molecular weight, with elimination of water, alcohol, or the like (condensation polymerization) or without such elimination (addition polymerization) the conversion of one compound into another […]
- Addition reaction
a reaction in which part of a compound is added to one end of a double or triple bond, while the rest adds to the other end, converting it, respectively, to a single or double bond.
- Additional
; more; supplementary: additional information. Contemporary Examples Police have long thought that Franklin, a mechanic with a history of car thefts, was involved in additional slayings. Grim Sleeper: Linking More Victims to L.A. Serial Killer Christine Pelisek April 4, 2011 Once transferred to Karaj Prison, he spent an additional 15 days in solitary confinement. A […]
- Additional member system
noun a system of voting in which people vote separately for the candidate and the party of their choice. Parties are allocated extra seats if the number of constituencies they win does not reflect their overall share of the vote See also proportional representation
- Additionality
noun (in Britain) the principle that money raised by the National Lottery should only be spent on projects that would not otherwise be funded by government spending (in the European Union) the principle that the EU contributes to the funding of a project in a member country provided that the member country also contributes