D defs.my
Entry 1 sense Webster, 1913

Developmental

/dĭv-ĕlˌ-əp-mĕn'-təl/ · De·vel·op·men·tal · IPA /dɪˌvɛləpˈmɛntəl/
01 a. Pertaining to, or characteristic of, the process of development; as, the developmental power of a germ.
  1. 1.
    Pertaining to, or characteristic of, the process of development; as, the developmental power of a germ.