R
adj, character, det, name, noun, num, pron, verb, slang ·Common ·High school level
Definitions
- 1 Symbol for reverse (“gear setting”). alt-of, symbol
- 2 the length of a line segment between the center and circumference of a circle or sphere wordnet
- 3 Symbol for radius. alt-of, symbol
- 4 the 18th letter of the Roman alphabet wordnet
- 5 Abbreviation of Republican, especially preceding the constituent location. US, abbreviation, alt-of
"R-Texas"
Show 9 more definitions
- 6 (physics) the universal constant in the gas equation: pressure times volume = R times temperature; equal to 8.3143 joules per kelvin per mole wordnet
- 7 Abbreviation of Rex (“King”) or Regina (“Queen”), the initial by which a British monarch signs documents after his or her name. abbreviation, alt-of
- 8 a unit of radiation exposure; the dose of ionizing radiation that will produce 1 electrostatic unit of electricity in 1 cc of dry air wordnet
- 9 Abbreviation of Rex (“King”) or Regina (“Queen”), the initial by which a British monarch signs documents after his or her name.; The Crown, the government of a monarchy.
"The English case of R v R [1992] AC 599 ruled that rape can be committed by a husband against his wife."
- 10 Abbreviation of ring. abbreviation, alt-of
- 11 Abbreviation of rook. abbreviation, alt-of
"1.e4 e5 2. Nf3 Nf6 3. d4 exd4 4. e5 Ne4 5. Qxd4 d5 6. exd6 e.p. Nxd6 7. Bg5 Nc6 8. Qe3+ Be7 9. Nbd2 0-0 10. 0-0-0 Re8 11. Kb1 (=)"
- 12 Abbreviation of run(s); the statistic reporting the number of runs scored by a player. abbreviation, alt-of
- 13 Abbreviation of Thursday. abbreviation, alt-of, especially
"Lecs, T R 9:05; lab, M T W R or F 1:25—4:25, or M or W 7:30—10:30 p.m."
- 14 Abbreviation of region, in the sense of the regions of the Philippines. Philippines, abbreviation, alt-of
- 1 Abbreviation of are. Internet, abbreviation, alt-of
"How r u"
- 1 Abbreviation of restricted. abbreviation, alt-of
- 2 Abbreviation of reverse. abbreviation, alt-of
- 3 Abbreviation of right (as opposed to left). abbreviation, alt-of
- 1 The eighteenth letter of the English alphabet, called ar and written in the Latin script. letter, lowercase
- 2 The eighteenth letter of the English alphabet, called ar and written in the Latin script. letter, uppercase
- 1 The eighteenth numeral symbol of the English alphabet, called ar and written in the Latin script. lowercase
- 2 The eighteenth numeral symbol of the English alphabet, called ar and written in the Latin script. uppercase
- 1 Abbreviation of our. Internet, abbreviation, alt-of
"This was supposed 2 be a SURPRISE, but the girls got it out of me. ☺ I wanted all of us 2 spend Xmas 2gether. By all, I mean r horses 2. Sooo . . . B, C, G, Z, & D, you have guests waiting @ BC. Zane, Valentino, Scout, Nero, & Polo r there! Now we can ride r horses when we r not volunteering & spend Xmas w them. ☺"
- 1 Eye dialect spelling of I. England, alt-of, informal, nonstandard, pronunciation-spelling
- 1 Abbreviation of Redactor(s) in the context of the documentary hypothesis, referring to a compiler and editor of the Torah. abbreviation, alt-of
"One needs to be careful, however, to distinguish between original P and the work of the later priestly Redactor (R), who edited P and other documents in the postexilic period."
Antonyms
All antonymsExample
More examples"What r u doing? Jacquie texted Opal. She put her phone on the bed and went to her suitcase to get her swimsuit."
Etymology
Old English lower case letter r, from 7th century replacement by Latin lower case r of the Anglo-Saxon Futhorc letter ᚱ.
From are and our, pronounced like the name of the letter r.
From the Etruscan letter 𐌓 (r, “er”), from the Ancient Greek letter Ρ (R, “rho”), derived from the Phoenician letter 𐤓 (r, “reš”), from the Egyptian hieroglyph 𓁶.
Abbreviations.
See I.
Related phrases
More for "r"
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.