r.

Short for Latin recipe (“take”, imperative).

r.

1. (medicine) Alternative form of ℞ (showing an instruction to take certain medicine according to the following instructions).

Originally from Latin r., abbreviating Latin rēgnāvit (“ ruled”), the third-person singular perfect active indicative of rēgnāre (“to rule, to reign”). Now often parsed as an abbreviation of English ruled or reigned.

r.

1. Ruled, reigned, used to show that provided dates are the period of a ruler's authority rather than their birth and death.

   Byzantine emperor Manuel I Komnenos (r. 1143–1180)

Abbreviations.

r.

1. Abbreviation of rare.
2. Abbreviation of royal.

   Mon. Not. R. Astron. Soc.

   Monthly Notices of the Royal Astronomical Society — ISO 4 abbreviated title

3. Abbreviation of right.

   r. com. car. a. ― right common carotid artery

r. (plural rs.)

1. (law) Abbreviation of rule.
2. Abbreviation of ruble.
   • 1868, “Russia: Introduction”, in Handbook for Travellers in Russia, Poland, and Finland, 2nd edition, London: John Murray, page 45:

     The paper-money in circulation is inconvertible, but has a forced currency. The notes represent 100 rubles; 50 rs., 25 rs., 10 rs., 5 rs., 3 rs., and 1 ruble, and are plainly stamped with their value.

3. Abbreviation of river.

• (legal): This is the customary abbreviation of the term rule as used in legal citation. See, e.g., The Bluebook: A Uniform System of Citation, Nineteenth Edition (2010), "Subdivisions", Table T16, p. 472-73.

r.

1. Abbreviation of rechts.

• (recipe): ℞, Rx

r.

1. Abbreviation of rēgnāvit, he/she/it ruled, designating a date shows a ruler's period in authority rather than their birth and death
2. Abbreviation of recipe, you must take, showing an instruction to take certain medicine according to the following instructions

• English: r.

r.

1. Abbreviation of rajonas (“raion”).

• IPA^(key): /ˈrɔk/

• Audio:

  (file)

• Rhymes: -ɔk
• Syllabification:

r. m inan

1. Abbreviation of rok (“year”): yr

   Traktat w Verdun miał miejsce w 843 r. ― The Treaty of Verdun took place in 843.

Required after dates by most official guides.

• mies. (“month”)
• tydz. (“week”)
• godz. (“hour”)
• sek. (“second”)

• IPA^(key): /ˈrɔ.d͡zaj/
• Rhymes: -ɔd͡zaj
• Syllabification:

r. m inan

1. Abbreviation of rodzaj (“grammatical gender, genus, kind”): g.

   Synonym: rodz.

   Polskie słowo „łąka“ jest r. żeń. (rodzaju żeńskiego)

   The Polish word “łąka” is of fem. g.

• r. in Wielki słownik języka polskiego, Instytut Języka Polskiego PAN
• r. in Polish dictionaries at PWN

r. (Cyrillic spelling р.)

1. Abbreviation of razred (“class”).