R (redirected from reflectance)

Acronym	Definition
R	Right
R	River
R	Reverse (automatic transmissions)
R	Republican
R	Registered Trademark (usually written ®)
R	Restricted Audiences - under 17 years of age not permitted without parent/guardian (movie rating)
R	Are
R	Real (Brazilian currency)
R	Red
R	Rate
R	Range
R	Radio
R	Required
R	Receive
R	Run (baseball/softball)
R	Request
R	Received (logging abbreviation)
R	Thursday (using one letter for each day of week)
R	Russian (rabbit breed)
R	Relevant (polygraphy)
R	Racing (car version)
R	Rare
R	Ring
R	Resistance
R	Rural
R	Rain (weather reports)
R	Reliability
R	Restricted
R	Reset
R	Rear
R	Radical (chemistry)
R	Routine
R	Reuters
R	Routine (logging abbreviation)
R	Reject
R	Radius
R	Reprint
R	Runner (Mic-O-Say, Heart of America Council, Boy Scouts of America)
R	Rookie (sports)
R	Romeo (aviation letter code)
R	Router
R	Manitoba (postal code designation, Canada)
R	Respectfully (closing salutation)
R	Radial (ply tire)
R	Risk Assessment
R	Referee
R	Rabbi
R	Rua (Portuguese: street; postal usage)
R	Rebound (basketball)
R	Reinforcing
R	Hydrocarbon (functional group)
R	Arginine (amino acid)
R	Resistor
R	Reflectance
R	South African Rand (national currency)
R	Rook (Chess)
R	Roughness
R	Repeatability
R	Rupees
R	Roentgen (unit of radiation exposure)
R	Recibo (Portugese)
R	Rimmed
R	Radio Operator
R	Rankine (Degree)
R	Rifampicin
R	search radius (US DoD)
R	Respirations
R	Radar Contact (aviation)
R	Set of Real Numbers (math)
R	Reception Year (UK schools)
R	Radiancy
R	Ramp Time (wireless communication)
R	Research Octane
R	Read/er
R	Resuspension Factor
R	Radial Antenna
R	Confidential - Restricted Data (TMINS)
R	US Revenue Stamp (Scott Catalogue prefix; philately)
R	Corrected search radius ('R nought'; R rounded up)
R	Route Tuned NAVAID (aviation)
R	Réaumier (temperature scale named after the French scientist Rene Antoine Ferchault de Reaumur)
R	US DoT tire speed rating (106 mph)
R	Third Heartbeat Wave