Vehicle armor which reacts to the impact of a weapon in such a way as to reduce the damage done, typically by exploding to disrupt the penetrating jet of a shaped-charge weapon.

plural of reactive mind

(hematology) A protein found in the blood, whose plasma concentrations are raised in patients with infection or inflammation.

(chemistry) Any peroxide, singlet oxygen or similar material that is a reactive oxidizing agent

plural of reactive attachment disorder

(pediatrics, psychology) A rare but serious condition in which an infant or young child fails to establish healthy attachments with parents or caregivers