SMR may refer to:
Organisations
*
Seattle Mountain Rescue, American non-profit
*
Solomon Mahlangu Regiment of the South African Army
*
Swedish Resistance Movement, a neo-Nazi political party
Places
*
San Marino (by ISO 3166-1, IOC and FIFA country code)
*
Rimba Secondary School (), Brunei
*
Simón Bolívar International Airport (Colombia) (by IATA code)
*
Tell Kazel (Ancient Egyptian: ''Smr''), archaeological site in Syria
Railways
*
Snowdon Mountain Railway, Gwynedd, Wales
*
South Maitland Railway, NSW, Australia
*
Stapleford Miniature Railway, Melton Mowbray, England
Science and technology
Biology and medicine
*
Sensorimotor rhythm
The sensorimotor rhythm (SMR) is a neural oscillation, brain wave. It is an oscillatory idle rhythm of synchronized electric brain activity. It appears in spindles in recordings of EEG, Magnetoencephalography, MEG, and ECoG over the motor cortex ...
, a brain wave rhythm
*
Standardized mortality ratio, in epidemiology
* Suppressed mite reproduction, a trait in honey bees, see
varroa sensitive hygiene
Varroa sensitive hygiene (VSH) is a behavioral trait of honey bees ''(Apis mellifera)'' in which bees detect and remove bee pupae that are infested by the parasitic mite ''Varroa destructor. V. destructor'' is considered to be the most dangerous p ...
Computing
*
Shingled magnetic recording
Shingled magnetic recording (SMR) is a magnetic storage data recording technology used in hard disk drives (HDDs) to increase storage density and overall per-drive storage capacity. Conventional hard disk drives record data by writing non-overl ...
, a hard disk storage method
*
State machine replication in distributed computing
* Symbolic Music Representation in
MPEG-4 Part 3
Other uses in science and technology
*
Small modular reactor, a type of nuclear reactor
*
Specialized Mobile Radio
Specialized Mobile Radio (SMR) may be an analog or digital trunked two-way radio system, operated by a service in the VHF, 220, UHF, 700, 800 or 900 MHz bands. Some systems with advanced features are referred to as an Enhanced Specialized Mo ...
*
Square matricial representation of polynomials
*
Steam methane reforming
Steam reforming or steam methane reforming (SMR) is a method for producing syngas (hydrogen and carbon monoxide) by reaction of hydrocarbons with water. Commonly natural gas is the feedstock. The main purpose of this technology is hydrogen produc ...
, for producing hydrogen
*
Surface movement radar, used by airports
*
Slope mass rating
Slope mass rating (SMR) is a rock mass classification scheme developed by Manuel Romana to describe the strength of an individual rock outcrop or slope. The system is founded upon the more widely used RMR scheme, which is modified with quantitat ...
, of rock mass
* Spherically Mounted Retroreflector, a
laser tracker target
Other uses
*
Shintō Musō-ryū, Japanese martial art
*
Sites and monuments record, of archaeological sites in the UK
{{disambiguation