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.
Meanings
(number, uppercase) The eighteenth numeral symbol of the English alphabet, called ar and written in the Latin script.
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.
Meanings
(letter, uppercase) The eighteenth letter of the English alphabet, called ar and written in the Latin script.
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.
The correct answer is 1.Rxf6 Rxf6 2.Rf1 Raf8 3.Qg5 Kg7 4.Nh5+
Other sub-variations work, such as playing 2.Qg5 then 3.Rf1 or playing 4.Bxf6+ first before playing 5.Nh5+. 2023 August 12, GM Noël Studer, “Mastering Chess Puzzles: The Comprehensive Guide to Effective Problem Solving”, in Next Level Chess:
(abbreviation, alt-of) Abbreviation of run(s); the statistic reporting the number of runs scored by a player.
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. 1986, Cornell University Courses of Study, page 250:
8:30 MWF (3 x 1 hour) […] 8:30-10 TR (2 x 1.5 hours) 2000 August, M.W. Carter, “A Comprehensive Course Timetabling and Student Scheduling System at the University of Waterloo”, in Edmund Burke, Wilhelm Erben, editors, Practice and Theory of Automated Timetabling III, Springer, published 2001, →ISBN, page 66:
Office Hours: MTWRF: 9:00–11:00, 1:30–3:00 or stop by my office anytime. 2007, W. Ted Mahavier, “Syllabus for Analysis” (Lamar University course syllabus), appendix II.A of Charles A. Coppin et al., The Moore Method: A Pathway to Learner-Centered Instruction, Mathematical Association of America (2009), page 201
(Philippines, abbreviation, alt-of) Abbreviation of region, in the sense of the regions of the Philippines.
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. 2006, David Ringo Miano, Shadow on the steps (dissertation), UC San Diego, page 5:
A programming language for statistics and data visualization.