ENGLISH
REFERENCE

developmental

adj. · n.
US //dɪˌvɛɫəpˈmɛnəɫ// UK //dɪvˈɛləpmˈɛntəl// de·vel·op·men·tal
  1. 1 growth and progress (adj.)
    B2 Upper Intermediate Academic

    related to the way something grows, changes, or improves over time.

    relating to the systematic process of growth, maturation, or evolution in a person, project, or organism.

    Example

    The doctor checked the child's developmental milestones to make sure she was growing well.

    Example

    The study tracks developmental changes in cognitive processing from early childhood through adolescence to identify critical windows for learning.

    Usage

    Often used in psychology, biology, and business contexts to describe stages of progress.

  2. 2 experimental or early stage (adj.)
    C1 Advanced Technical Science

    related to the early stages of making or testing a new product.

    relating to the experimental or preliminary stage of a product or system's lifecycle.

    Example

    The company is still in the developmental phase of its new electric car engine.

    Example

    The aircraft is currently undergoing developmental testing to ensure the new wing design can withstand extreme turbulence.

    Usage

    Commonly used in engineering and pharmaceutical industries.

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  1. 3 a trainee (n.)
    C2 Proficiency Technical

    a person who is still learning a job, especially a flight controller.

    a professional trainee, specifically used within aviation to refer to a student air traffic controller.

    Example

    The developmental spent the afternoon practicing landings on the flight simulator.

    Example

    As a developmental at the busy regional hub, he was required to complete five hundred hours of supervised radar operation before certification.

    Usage

    This noun sense is highly specific to the aviation industry.

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