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  1. Dictionary
    investigational
    /ɪnˌvɛstɪˈɡeɪʃən(ə)l/

    adjective

    • 1. denoting or concerned with investigation; investigative: "students are encouraged to adopt an active, investigational approach to their learning"

    More definitions, origin and scrabble points

  2. The meaning of INVESTIGATIONAL is of or relating to investigation. How to use investigational in a sentence.

  3. Examples of how to use “investigational” in a sentence from Cambridge Dictionary.

  4. n. 1. The act or process of investigating: a politician under investigation. 2. A careful examination or search in order to discover facts or gain information. See Synonyms at inquiry. in·ves′ti·ga′tion·al adj.

  5. the act or process of examining a crime, problem, statement, etc. carefully, especially to discover the truth: An investigation has been under way for several days into the disappearance of a 13-year-old boy. a full / thorough investigation of the incident.

  6. : to observe or study by close examination and systematic inquiry. intransitive verb. : to make a systematic examination. especially : to conduct an official inquiry. investigation. in-ˌve-stə-ˈgā-shən. noun. investigative. in-ˈve-stə-ˌgā-tiv. adjective. investigatory. in-ˈve-sti-gə-ˌtȯr-ē. adjective. Synonyms. delve (into) dig (into) examine.

  7. May 26, 2017 · investigational (not comparable) Of, or relating to investigating, or to an investigation. ( medicine) of, or relating to an unapproved drug or chemical entity being studied. An expanded access protocol allows patients to benefit from an investigational drug prior to FDA approval.

  8. denoting or concerned with investigation; investigative:. Meaning, pronunciation and example sentences, English to English reference content.

  9. Investigational Definition. Of, or relating to investigating, or to an investigation. (medicine) Of, or relating to an unapproved drug or chemical entity being studied. An expanded access protocol allows patients to benefit from an investigational drug prior to FDA approval.

  10. An investigation is a systematic, minute, and thorough attempt to learn the facts about something complex or hidden; it is often formal and official: an investigation of a bank failure. An examination is an orderly attempt to obtain information about or to make a test of something, often something presented for observation: a physical examination.

  11. What does the adjective investigational mean? There is one meaning in OED's entry for the adjective investigational. See ‘Meaning & use’ for definition, usage, and quotation evidence. See meaning & use. How common is the adjective investigational? About 0.3 occurrences per million words in modern written English. See frequency.