Constitutive

The term "constitutive" might refer to:

• In physics, a constitutive equation is a relation between two physical quantities.
• In cell biology, a constitutively active protein is a protein whose activity is constant and active.
• In ecology, a constitutive defense is one that is always active, as opposed to an inducible defense.
• Constitutive theory of statehood
• In genetics, constitutive refers to a "Constitutive gene" or Gene expression