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constitutively

C2
adverb

Pronunciation

UK

  • /kˈɒnstɪtjˌuːtɪvlɪ/

US

  • /kˈɑːnstɪtˌuːtɪvli/

Description

Imagine building with LEGO bricks. Some bricks are just there, acting as the base structure—they're essential to how the whole thing is built, not added on as an afterthought. That is what "constitutively" means! It describes something that exists as a fundamental part of something else, inherent in its very nature. A robin is constitutively different from a penguin; those differences are baked into their biology, not just a temporary state.

Think of it like this: you can choose to be happy today, but your brain might be constitutively wired for certain emotional patterns. It's about what something is at its core. In science, you might hear that a particular protein is "constitutively expressed" in cells—this means the cell produces that protein all the time as part of its basic function, rather than only making it when triggered by an outside signal.

Examples

  1. 1

    Mutant receptor

    In this mutant strain, the receptor is constitutively active, even when no signal is present.

    • Phrase

      constitutively active

      active all the time, not only when triggered

  2. 2

    Gene expression

    This gene is constitutively expressed in the liver, so the cells keep making the same protein.

    • Phrase

      constitutively expressed

      made continuously, not only under certain conditions

  3. 3

    Plant defenses

    Some plant defenses are present constitutively, while others appear only after the plant is attacked.

Forms and spellings

1 form open this card.

Main spelling

  • constitutivelyadverb