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adj combining form
having a specified kind of pattern or arrangement or having an orientation determined by a specified force: syndiotactic; phototactic.
[from Greek taktikos relating to order or arrangement; see tactics]


(ˈtæk tɪk)

2. a system or a detail of tactics.
3. a plan, procedure, or expedient for promoting a desired end.
4. of or pertaining to arrangement or order; tactical.
[1560–70; < New Latin tacticus < Greek taktikós fit for arranging or ordering =tag-, base of tássein to arrange, put in order + -tikos -tic]




a combining form used in adjectives that correspond to nouns ending in -taxis: stereotactic.