What does rid stand for?

Riddles

Rack Insertion Device (UWER)

RADAR Input Drum

Radial Immunodiffusion - Analytical biochemistry

Radiation-Induced Diffusion (UWER)

Radioimmunodiffusion (SAUS)

Radio Intelligence Division - of the Federal Communications Commission

Radioisotope Detection

Range Instrumentation Division

Range Instruments Development (MCD)

Rapidate Interactive Debugger - Computer science (MHDI)

Reaction Injection Molded (SAUS)

Reactor Institute Delft (SAUS)

Read Identification

Real-Fluid Isentropic Decompression - Engineering

Recepter Interacting Domain - Biochemistry

Record Identity - Military (AFIT)

Records Issue Date - Bell System (TEL)

Reduced Ignition Relay (MCD)

Refractive Index Detector - Instrumentation

Regimented Inmate Discipline - Mississippi State Penitentiary

Registry of Interpreters for the Deaf (EA)

Reglement International Concernant le Transport des Marchandises Dangereuses - International Regulation Governing the Carriage of Dangerous Goods

Regulations Concerning the Carriage of Dangerous Goods by Rail (SAUS)

Regulatory Integration Division - Environmental Protection Agency (GFGA)

Relation Identification (SAUS)

Relative Identifier (SAUS)

Released to Inactive Duty

Reliability Index Determination (MCD)

Remission-Inducing Drug - Medicine

Remote Identifier (SAUS)

Remote Isolation Device (SAUS)

Remove Intoxicated Drivers - An association

Research Institutes and Divisions - of National Institutes of Health

Reset Inhibit Drive

Reset Inhibit Driver (SAUS)

Reset Inhibit Drum

Retrofit Installation Data (MCD)

Reversible Intravas Device

Review Item Discrepancy (MCD)

Review Item Disposition - NASA (NASA)

Richmond, IN - Location identifier - FAA (FAAL)

Riddle Aviation (SAUS)

Rideau - NCIC car model code

Rider College Library, Lawrenceville, NJ - OCLC symbol (OCLC)

Ridotti, reduced (SAUS)

RID - U.S.A. (EA)

Rigaud - NCIC firearms make code (NCIC)

Royal Irish Dragoons - British military (DMA)

Royal Irrigation Department, Thailand (SAUS)

Run-Time Initialization Data (SAUS)

Ruptured Intervertebral Disc (SAUS)