Main Entry: de·vel·op·men·tal

Pronunciation: \dē-ˌve-ləp-ˈmen-t^əl\

Function: adjective

Date: 1849

1 a : of, relating to, or being development <developmental processes> <developmental biology>; broadly : experimental 2 <developmental aircraft> b : serving economic development <developmental highways>
2 : designed to assist growth or bring about improvement (as of a skill) <developmental toys>

— de·vel·op·men·tal·ly \-t^əl-ē\ adverb