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.
In certain circumstances, even words with primarily grammatical functions can be used as verbs or nouns, as in, We must look to the hows and not just the whys .. The process whereby a word comes to be used as a different part of speech is called conversion or zero derivation.