12-Letter Words Containing: A,B,C,D,I,R,T

• involving the fourth and no higher power of a quantity or degree

• an algebraic equation or function of the fourth degree

• an equation of the fourth degree

• a polynomial of the fourth degree

• watch and study birds in their natural habitat

• telephone central where circuits are completed with patchcords

• preventing infection by inhibiting the growth or action of microorganisms

• any chemical agent that destroys bacteria

• any drug that destroys bacteria or inhibits their growth

• One who has prediabetes.

• a medium that disseminates via telecommunications

• taking part in a radio or tv program