Definition, Meaning & Synonyms | English word RR
RR
Definitions of RR
- Abbreviation of rear, where brevity is desired.
- Abbreviation of Roraima, a state of Brazil.
- (US) Initialism of railroad.
- (cycling) Initialism of road race.
- Initialism of right rear, a location in a square or rectangular layout such as the tires on an automobile or the heating elements on a stovetop.
- Initialism of Rolls-Royce.
- Initialism of reverse racism.
- Initialism of real reality.
- (statistics, epidemiology) Initialism of relative risk.
- (US) Initialism of rural route used when addressing mail.
- Initialism of Riva-Roccin, a blood pressure measurer device
- Initialism of role reversal.
- (aviation, travel, dated) (from the status code used in the GDS) reconfirm / reconfirmed.
Number of letters
2
Is palindrome
Yes
Examples of Using RR in a Sentence
- Rational Recovery (RR) was a commercial vendor of material related to counseling, guidance, and direct instruction for addiction designed as a direct counterpoint to Alcoholics Anonymous (AA) and twelve-step programs.
- The American Civil War first entered Bartow County on April 12, 1862, in the form of "The Great Locomotive Chase": As a result of the Western & Atlantic Railroad’s (W&A RR) strategic war time value, Union soldiers boarded and stole a train named "The General".
- The major employers in Clinton include the Clinton Nuclear Power Plant, Warner Hospital & Health Services, Miller Container, RR Donnelley, and HNC Products Inc.
- Tipton was continually bypassed by Iowa railroads, beginning with the collapse of the Lyons Iowa Central RR in 1854.
- The hamlet of Pittsfield, or "Pittsfield Centre", had an unmanned whistle stop station and siding on the Ontario & Western RR branch to Edmeston from New Berlin, later purchased by the Unadilla Valley RR.
- The town was named by Frederick Underwood, President of the Soo RR, in honor of Edward Braddock, County Auditor.
- The ITU Radio Regulations (RR) is a basic document of the International Telecommunication Union (ITU) that regulates on law of nations scale radiocommunication services and the utilisation of radio frequencies.
- Danville and Pottsville Railroad → Philadelphia and Sunbury RR →
Shamokin Valley and Pottsville Railroad → Northern Central Railway. - Sealy derives its name from business tycoon and majority stock holder of the GCSF RR, George Sealy of Galveston.
- A recoilless rifle (rifled), recoilless launcher (smoothbore), or simply recoilless gun, sometimes abbreviated to "RR" or "RCL" (for ReCoilLess) is a type of lightweight artillery system or man-portable launcher that is designed to eject some form of countermass such as propellant gas from the rear of the weapon at the moment of firing, creating forward thrust that counteracts most of the weapon's recoil.
- Aa, Bb, Dd, Ee, Ɛɛ, Ff, Gg, Hh, Ii, Jj, Kk, Ll, Mm, Nn, Ŋŋ, Oo, Ɔɔ, Pp, Rr, Ss, Tt, Uu, Vv, Ww, Yy, Zz.
- The jamo shown below are individually romanized according to the Revised Romanization of Hangeul (RR Transliteration), which is a system of transliteration rules between the Korean and Roman alphabets, originating from South Korea.
- The prototype star RR Lyrae was discovered prior to 1899 by Williamina Fleming, and reported by Pickering in 1900 as "indistinguishable from cluster-type variables".
- Heritage of the March LPs: volumes 25, L, N, R, CC, DD, NN, QQ, RR, SS, TT, YY, HHH, III, QQQ, XXX, ZZZ, FFFF, and GGGG.
- RR Lyrae stars, sometimes referred to as "Cluster Variables", are somewhat similar to Cepheid type variables and as such can be used as a tool to measure distances in outer space since the relation between their luminosities and periods are well known.
- Up until about 1860, omnibus lines provided the only public transit outside the area serviced by the New Orleans and Carrollton RR.
- Two similar statistics that are often used to quantify associations are the relative risk (RR) and the absolute risk reduction (ARR).
- Korean court music (Kor: 궁중음악, RR: gungjung eumak) comprises three main musical genres: aak, an imported form of Chinese ritual music; a pure Korean form called hyangak; and a combination of Chinese and Korean styles called dangak.
- Each country is assigned a range of prefixes, and the radiotelecommunications agencies within each country then responsible for allocating call signs, within the format defined by the RR, as they see fit.
- Aa, Ää, Bb, Cc, Çç, Dd, Ee, Ff, Gg, Ğğ, Hh, Xx, Iı, İi, Jj, Kk, Qq, Ll, Mm, Nn, Oo, Öö, Pp, Rr, Ss, Şş, Tt, Uu, Üü, Vv, Yy, Zz.
- Different globular clusters often display different HB morphologies, by which is meant that the relative proportions of HB stars existing on the hotter end of the RR Lyr gap, within the gap, and to the cooler end of the gap varies sharply from cluster to cluster.
- Criticized the theory that human and animal nature are the same (Hangul: 인물성동론; Hanja: 人物性同論; RR: Inmulseongdonglon).
- The Milky Way's stellar halo contains globular clusters, RR Lyrae stars with low metal content, and subdwarfs.
- Oosterhoff type is determined by metallicity, age, and average pulsation period of type ab RR Lyrae variable stars of the cluster.
- There have been 24 variable stars found in M9: 21 RR Lyrae variables, plus a long-period variable, Type II Cepheid, and an eclipsing binary.
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