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.
Derivation is used to form new words, as with happi-ness and un-happy from happy, or determination from determine. A contrast is intended with the process of inflection, which uses another kind of affix in order to form variants of the same word, as with determine/determine-s/determin-ing/determin-ed.erivation is used to form new words, as with happi-ness and un-happy from happy, or determination from determine. A contrast is intended with the process of inflection, which uses another kind of affix in order to form variants of the same word, as with determine/determine-s/determin-ing/determin-ed.