What does rs stand for?

Sleet - Meteorology (BARN)

Sri Lanka Rupee - Monetary unit (IMH)

Source Resistance (IDOE)

Aeropesca - ICAO designator (AD)

Basket Range Stone

IEEE Reliability Society (EA)

Rabbinical School (BJA)

Rabbinical Seminary (BJA)

Rabbinic Supervisor (BJA)

Rabbit Serum - Medicine (EDAA)

Rachmaninoff Society - Record label

Radar Scan (SAUS)

RADAR Scanner

RADAR Scattering

RADAR Selector (MCD)

RADAR Set

Radar Shelter

RADAR Simulator (CET)

Radar-Simulator (SAUS)

RADAR Start (CET)

Radial Sedan - Class of racing cars

Radial Spoke - Cell biology (QSUL)

Radiated Susceptibility (IEEE)

Radiation Sensitive - Physiology

Radiation Source (NRCH)

Radio Communication Supervisor (IAA)

Radio Duties - Special

Radio School (IAA)

Radioscintillation (SAUS)

Radiosensitivity (SAUS)

Radio Set (IAA)

Radio Shack (SAUS)

Radio Simulator

Radiospare (IAA)

Radio Spares (SAUS)

Radio-Spectroscope (SAUS)

Radio Station - Maps and charts

Radio Supervisor - British

Radio Switchboard (CAAL)

Radio System - Military technology (DDF)

Radiotelegram Service (IAA)

Radius of Safety (MCD)

Radular Sac

Ragtime Society (EA)

Railway Station (ROG)

Railway System (SAUS)

Rain and Snow - Sleet - Meteorology

Rally Sport

Raman Scattering - Spectroscopy

Raman Spectroscopy

Random Saccades - Ophthalmology

Random Sample - Medicine (EDAA)

Random Selection - Motor vehicle violation code used in state of Maryland (MVRD)

Random Sequence (SAUS)

Random Splice - Telecommunications (TEL)

Ranger Subsystem (ACAE)

Range Safety - NASA (KSC)

Range Selector

Range Setter (IAA)

Range, Slant (ACAE)

Rapid Setting - Asphalt grade

Rapid Solidification (SAUS)

Rapid Start (SAUS)

Ras Shamra (BJA)

Raster Suppression - of color images

Rate Step (SAUS)

Rating Schedule - Medicine (MAE)

Rating Sheet - Psychometrics

Rat Spleen - Medicine (EDAA)

Rauwolfia Serpentina - A plant, the root extract of which is used medicinally

RAWINSONDE - Radiosonde and RADAR Wind Sounding - Upper air observation (NASA)

Raw Stock

Ray Society (EA)

Reactive Sputtering (SAUS)

Reactive Surround (SAUS)

Reactor Safeguards (NRCH)

Reader Stop - Computer science (BUR)

Readiness Squadron (DNAB)

Reading of Standard

Reading Speed (SAUS)

Readly Service (SAUS)

Read Stability (SAUS)

Read Statement (SAUS)

Ready Service (AAG)

Real Storage

Rearranging Sequence - Genetics

Rear Spar (SAUS)

Reason for Selection (SAUS)

Rebuild Standard - Marine Corps

Receiver Segment (SAUS)

Receiver Station

Receiving Ship - or Station

Receiving Station (SAUS)

Reception Station

Recipient's Serum - In blood matching

Recipient State (NITA)

Reciprocating Steam (MCD)

Reclaimed Wheat Grass/Shrub Cover - Agriculture

Reclassification Sensitivity (SAUS)

Recognition Structure - Immunochemistry

Recommended Standard - Telecommunications (TEL)

Recommend Standard (SAUS)

Reconfiguration System (MCD)

Reconnaissance Satellite

Reconnaissance Squadron - Military

Reconnaissance-Strike - Military

Reconnaissance Strip - Military (AFM)

Reconstitution Site (NVT)

Recording Secretary

Record Separation (or Separator) (SAUS)

Record Separator - Control character - Computer science

Record Status (SAUS)

Record Storage (SAUS)

Recovery Section (SAUS)

Recreation Supervisor - Red Cross

Recruiting Service

Recruiting Station

Recruitment Surveys - Army - British

Rectal Sinus

Rectal Suppository - Medicine

Rectified Spirits (ROG)

Rectus-Sinister - Nomenclature system - Biochemistry

Reddish - Soil biology - Soil color (QSUL)

Redeemable Stock

Red Star (SAUS)

Red Switch (SAUS)

Reduced Smoke (MCD)

Reduced Strength (MCD)

Reducing Substance - Laboratory science (DAVI)

Reducing Sugar

Redundancy Status - NASA (MCD)

Redundant Set - NASA (MCD)

Reed-Sternberg Cell - Medicine (MAE)

Reel Sequence - Computer science

Reentry System (AFM)

Reference Section (SAUS)

Reference Serum - Clinical chemistry

Reference Standard

Reference Store (SAUS)

Reflectance Spectroscopy (SAUS)

Reformed Spelling

Refrigeration System (MCD)

Refurbishment Spare (NASA)

Regional Authorities (Scotland)

Register and Storage (MCD)

Registered Sanitarian

Register of Shipping (SAUS)

Register of Shipping of the USSR - Ship classification society (DS)

Register Select

Register Storage (SAUS)

Register to Storage (NITA)

Registration Services

Registration Standard (EPAT)

Registry Service (SAUS)

Registry System (SAUS)

Regularly Scheduled - Red Cross Volunteer

Regular Savings

Regular Station - Military

Regulated Substance - Environmental Protection Agency

Regulating Station - Military

Regulation Station - Air Force

Reinforcement Section (SAUS)

Reinforcing Stimulus

Reiter's Syndrome - Medicine

Relative Sweetness

Relay Selector (IAA)

Relay Store (SAUS)

Relay Switch (SAUS)

Reliability Society (SAUS)

Reliability Standard

Reliability Summary (KSC)

Reliance Steel & Aluminum - NYSE symbol

Reliance Steel & Aluminum Co. - NYSE symbol (SAG)

Relief Society (SAUS)

Relief Stamped (DGA)

Religious Studies - Secondary school course - British

Relocation Site (NVT)

Reminder Shock

Reminder Stock (SAUS)

Remotely Settable Fuze (MCD)

Remoteness Seeker (SAUS)

Remote Sensing (CARB)

Remote Sentry - Army

Remote Single-layer

Remote Station

Remote System (ELAL)

Remoting Subsystem (SAUS)

Remove Sutures (SPVS)

Remscheid - German license plate city code

Renal Specialist - Medicine

Render and Set - Construction (IAA)

Renin Substrate - Biochemistry

Repair Section (SAUS)

Repair Shop (SAUS)

Rephael Society (EA)

Report of Survey - Military

Representative Scale (SAUS)

Reproductive Success - Genetics

Republicains Sociaux - Social Republicans - France - Political party (PPE)

Republic Steel (SAUS)

Request for Services - Social Security Administration

Request for Support (MCD)

Request Signal (SAUS)

Request to Send

Requirements Steering (SAUS)

Requirement Submission - Environmental science (COE)

Research Scientist (ADA)

Research Ship (SAUS)

Research Student

Research Summary

Research Systems (MCD)

Reserved Seat - Travel industry (TVEL)

Reserve Section - Military

Reserve Stock (SAA)

Reset

Reset-Set - Computer science

Reset Steering

Resetting (SAUS)

Resident School (MUGU)

Residual Stress (SAUS)

Resistance Soldering

Resistant Sporangia - Botany

Resistor (IAA)

Resolution of Separation (SAUS)

Resolver Synchro (SAUS)

Resolving Sequence (SAUS)

Re-Solv, the Society for the Prevention of Solvent and Volatile Substance Abuse - British (EAIO)

Resonator - Electronics (IAA)

Resorcinol-Sulfur - Organic chemistry (MAE)

Resorcinol Sulphur (SAUS)

Resources Section - Resources and Technical Services Division - American Library Association

Respiratory Syncytial - Virus

Respiratory System - Medicine

Response Shock (DIPS)

Response Stimulus (SAUS)

Response-Stimulus

Response to Stimulus - Ratio - Neurology (DAVI)

Responsus - To Answer - Latin

Results Sign (SAUS)

Resume Session

Resume Sheet

Resynchronize (SAUS)

Resynchronizing State (IAA)

Retail Shops and Stores - Public-performance tariff class - British

Retinoblastoma Society - United Kingdom (EAIO)

Retrospective Search (SAUS)

Returning Spring (SAUS)

Return Statement (SAUS)

Return to Saturation

Return to Situation (SAA)

Revenue Sharing

Reverberation Strength

Reversal Shift - Psychometrics

Reverse Shot - Cinematography (NTCM)

Reverse Signal (IAA)

Review of Symptoms - Medicine

Review of Systems - Medical records (DAVI)

Revised Status (SAUS)

Revised Statutes

Rewind Speed (SAUS)

Rewind Statement (SAUS)

Reye's Syndrome - Medicine

Rheinflugzeugbau - Germany - ICAO aircraft manufacturer identifier (ICAO)

Rheumatoid Spondylitis - Medicine (DAVI)

Rhinal Sulcus (DB)

Rhythm Strip - Electrocardiogram (CPH)

Rifle, Single-shot - NCIC gun type code (NCIC)

Right Sacrum - Medicine (KSC)

Right Safety - Sports

Right Septum - Medicine (DB)

Right Side

Right Stellate - Ganglion - Medicine (DB)

Right Subclavian (SAUS)

Riley-Schwachmann (DB)

Ringer Solution (SAUS)

Ringer's Solution - Physiology

Ring Station (SAUS)

Ripon Society (EA)

River Steamer (SAUS)

Riveted Steel (SAUS)

Roadside

Road Space - Military

Roberts Syndrome - Medicine (DMAA)

Robert Stephenson - Indian Railway - UK - Newcastle-upon-Tyne (TIR)

- The Roberval & Saguenay Railway Co. - AAR code

Robotic System (SAUS)

Rochelle Salt - Potassium Sodium Tartrate - Organic chemistry

Rocket Station (IAA)

Rocket System (MCD)

Rolled Shapes (SAUS)

Rolled Steel (SAUS)

Roller Shutter

Rolls Series - A publication (DLA)

Roll Stabilization

Root Mean Square Average - Statistics (IAA)

Root Stock - Botany

Rotary Selector (IAA)

Rotary Switch (IAA)

Rotary System (IAA)

Route Selector

Route Signal (IAA)

Route Switching - Telecommunications (TEL)

Routing Selector (SAUS)

Routing Slip - Military

Royal Scots - Military unit

Royal Society - British

Rubber Spring

Rubble Stone (AAG)

Rudder Station (MCD)

Rumble Seat

Runaway Shop (MHDB)

Russian Segment (SAUS)

Syntex Laboratories, Inc. - Research code symbol

Western Sahara - NCIC country-territory code (NCIC)

Screen Resistance (IDOE)

Secondary Resistance (IDOE)

Series Resistance (IDOE)