APPENDIX C â CATEX Long Form Checklist to Support an Environmental Finding of Categorical Exclusion (Catex) This checklist documents consideration of environmental laws, regulations, and executive orders as they apply to Federal actions.
Full Definition of DERIVATION. 1. a (1) : the formation of a word from another word or base (as by the addition of a usually noninflectional affix) (2) : an act of ascertaining or stating the derivation of a word (3) : etymology 1 b: the relation of a word to its base.2. a: source, origin b: descent, origination.3. : something derived: derivative.efinition of DERIVATION for Kids. 1. : the formation of a word from an earlier word or root. 2. : etymology. 3. 4. : an act or process by which one thing is formed from another.
the derivation of a word. Synonyms: word origin, word source, derivation, origin. a chronological account of the birth and development of a particular word or element of a word, often delineating its spread from one language to another and its evolving changes in form and meaning. Synonyms: word history, word lore, historical development.