Alternative form of Jekyll and Hyde

(medicine) Initialism of magnetic resonance imaging.

(transitive, rare, medicine) To take an MRI scan of.

(US military) Initialism of Meal, Ready-to-Eat: an individual field ration used by the US military

Initialism of Michigan Rules of Evidence.

Initialism of maximum recommended human dose.

Initialism of men's rights activist. / (Internet) Initialism of mail retrieval agent. / (international trade, law) Initialism of mutual recognition agreement.

(manufacturing) Initialism of Material Review Board, system of recorded investigative checks done on failed components or processes to improve quality. / Initialism of Mortgage Revenue Bond.

To send a failed component through the MRB process.

Initialism of Maritime Rescue and Coordination Center. / Initialism of Medical Representatives Certification Commission.