tranÂ·quilÂ·izÂ·er. n. 1. One that serves to tranquilize, as soothing music. 2. Any of various drugs used to reduce tension or anxiety; an antianxiety agent. 3. Any of various drugs used to treat psychotic states; an antipsychotic drug. Not in scientific use.ntipsychotic, antipsychotic agent, antipsychotic drug, major tranquilizer, major tranquilliser, major tranquillizer, neuroleptic, neuroleptic agent, neuroleptic drug-tranquilizer used to treat psychotic conditions when a calming effect is desired.
SBM Offshore N.V. (IHC Caland N.V. prior to July 2005) is a Dutch-based global group of companies selling systems and services to the offshore oil and gas industry. Its constituent companies started their offshore activities in the early 1950s and SBM subsequently became a pioneer in single point mooring (SPM) systems.
RMM may refer to; 1  Riverside Metropolitan Museum, in Riverside, California, United States (previously Riverside Municipal Museum) 2  Relative Molecular Mass, another name for molecular mass, the atomic weight of a molecule or compound.  RMM Records & Video, a former Latin music record label.