tactic
adj. US //ˈtæktɪk// UK //tˈæktɪk// tac·tic
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1 chemistry/polymers (adj.) C2 Proficiency Technical Sciencedescribing a plastic-like material where the parts are arranged in a very regular pattern.
describing a polymer in which the repeating units have a specific, identical configuration along the chain.
ExampleThe scientist studied the tactic structure of the new plastic material.
ExampleThe physical properties of the polymer are significantly influenced by whether the chain is tactic or atactic in its molecular arrangement.
- atactic
Borrowed from New Latin tactica, from Ancient Greek τακτικός (taktikós, “fit for ordering”), from τάσσω (tássō, “to order, to arrange”).