SMR may refer to:

Organisations

Seattle Mountain Rescue Seattle Mountain Rescue (SMR) is an all volunteer non-profit mountain rescue team operating out of King County, Washington. SMR is part of the King County Search & Rescue Association (KCSARA) and is also part of the Mountain Rescue Association, ...

, American non-profit * Solomon Mahlangu Regiment of the South African Army * Swedish Resistance Movement, a neo-Nazi political party

Places

San Marino San Marino (, ), officially the Republic of San Marino ( it, Repubblica di San Marino; ), also known as the Most Serene Republic of San Marino ( it, Serenissima Repubblica di San Marino, links=no), is the fifth-smallest country in the world an ...

(by ISO 3166-1, IOC and FIFA country code) * Rimba Secondary School (), Brunei *

Simón Bolívar International Airport (Colombia) Simón Bolívar International Airport ( es, link=no, Aeropuerto Internacional Simón Bolívar) . Unidad Administrativa Especial de Aeronáutica Civil ( UAEAC). Accessed 16 October 2009. is an international airport serving the city of Santa Ma ...

(by IATA code) * Tell Kazel (Ancient Egyptian: ''Smr''), archaeological site in Syria

Railways

* Snowdon Mountain Railway, Gwynedd, Wales *

South Maitland Railway The South Maitland Railway was once an extensive network of privately owned colliery and passenger railway lines which served the South Maitland coalfields in the Hunter Region of New South Wales, Australia and were the second last system in Aust ...

, 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 computer science, state machine replication (SMR) or state machine approach is a general method for implementing a fault-tolerant service by replicating servers and coordinating client interactions with server replicas. The approach also provide ...

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 In mathematics, a form (i.e. a homogeneous polynomial) ''h''(''x'') of degree 2''m'' in the real ''n''-dimensional vector ''x'' is sum of squares of forms (SOS) if and only if there exist forms g_1(x),\ldots,g_k(x) of degree ''m'' such that h(x) = ...

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