developmental Definition

of, relating to, or being development; broadly : experimental

serving economic development

designed to assist growth or bring about improvement (as of a skill)

a discipline of biology concerned with the processes and mechanisms that control and influence the development and growth of organisms especially from a molecular, cellular, or genetic perspective

any of various conditions (such as autism spectrum disorder, cerebral palsy, intellectual disability, blindness, or fragile X syndrome) that usually become apparent during infancy or childhood and are marked by delayed development or functional limitations especially in learning, language, communication, cognition, behavior, socialization, or mobility

a condition (such as autism or dyslexia) that is typically marked by delayed development or impaired function especially in learning, language, communication, cognition, behavior, socialization, or mobility : developmental disability

a field of biology that combines the disciplines of evolutionary biology and developmental biology to study the relationship between evolution and developmental processes and mechanisms —called also evo-devo

autism spectrum disorder

any of a group of developmental disorders (such as autism and Asperger's syndrome) marked by impairments in the ability to communicate and interact socially and by the presence of repetitive behaviors or restricted interests —called also pervasive developmental disorder