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affinity |
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affinity 1. similarity in structure, form, etc., between different animals, plants, or languages 2. Chem a. the tendency for two substances to combine; chemical attraction b. a measure of the tendency of a chemical reaction to take place expressed in terms of the free energy change. 3. Biology a measure of the degree of interaction between two molecules, such as an antigen and antibody or a hormone and its receptor affinity [ə′fin·əd·ē] (chemistry) The extent to which a substance or functional group can enter into a chemical reaction with a given agent. Also known as chemical affinity. (computer science) A specific relationship between data processing elements that requires one to be used with the other, where a choice might otherwise exist. (immunology) The strength of the attractive forces between an antigen and an antibody. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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The realm of France, it is well known, was divided betwixt the Norman and Teutonic race, who spoke the language in which the word Yes is pronounced as oui, and the inhabitants of the southern regions, whose speech bearing some affinity to the Italian, pronounced the same word oc. For that only stands fast upon his own centre; whereas all things, that have affinity with the heavens, move upon the centre of another, which they benefit. He was to learn a dialect, in which he could be assisted by no affinity with the languages he already knew. |
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