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Rat control in Alberta
Rat control in Alberta: the provincial Rat Control Program, established 1950, keeps Alberta essentially free of Norway rats via a 600 by 29 km border control zone, mandatory pest law, and annual inspections.
Rat race
Rat race: an endless, self-defeating competitive struggle for power, money, and position. Term attested 1934 (aviation), figurative by 1939 (Kitty Foyle); formalized in Akerlof's 1976 economics model.
Rat torture
Rat torture, also called the rat trap method, is torture in which a rat is trapped against a victim's body, usually the abdomen, and heated so it bites through. Poorly documented in medieval records; known mainly from early modern accounts, Mirbeau's Torture Garden, and Freud's Rat Man case.
Rātā
Rātā is a hero of Māori mythology who felled a tree for a war canoe without the proper rites, and the forest spirits restored it each night.
Rata dynasty
The Rata dynasty (राट वंश) was a ruling line of Samatata in southeastern Bengal, c. 650 to 675 AD, known from King Shridharana Rata's Kailan copperplate inscription.
Ratan Khatri (रतन खत्री)
Ratan Khatri (रतन खत्री), called the Matka King, was a Mumbai gambling operator who built India's largest illegal numbers game, running it from the early 1960s until 1995.
Ratan Lal Nath
Ratan Lal Nath is an Indian politician from Tripura and a Bharatiya Janata Party minister who previously held the school education portfolio in the Biplab Kumar Deb ministry.
Ratan Nath Sarshar
Ratan Nath Sarshar (رتن ناتھ سرشار) was an Urdu novelist, journalist, and translator from Lucknow, best known for Fasana-i Azad and for editing Avadh Akhbar from 1878 to 1893.
Ratan Singh Bhangu
Ratan Singh Bhangu (ਰਤਨ ਸਿੰਘ ਭੰਗੂ) was an early nineteenth-century Sikh historian, author of the Sri Gur Panth Prakash, a poetic account of Sikh history from Guru Nanak to Ranjit Singh.
Ratan Tata
Ratan Naval Tata (1937–2024) was an Indian businessman who chaired the Tata Group from 1991 to 2012, globalizing it through the Tetley, Corus, and Jaguar Land Rover acquisitions.
Rātana
Rātana is a Māori religious and political movement founded in New Zealand in 1918 by the faith healer Tahupōtiki Wiremu Rātana, combining Christian belief with Māori social justice.
Ratanapanna
Ratanapanna (Thai: พระรัตนปัญญาเถระ) was a Lan Na monk and Pali scholar, author of the Jinakalamali, a Buddhist chronicle completed at Wat Pa Dang, Chiang Mai, in 1516-17.
Ratanji Dadabhoy Tata (રતનજી દાદાભોય ટાટા)
Ratanji Dadabhoy Tata (રતનજી દાદાભોય ટાટા), known as R.D. Tata, was a Parsi businessman, a partner in Tata & Sons from 1887 and father of J. R. D. Tata.
Ratanji Tata
Ratanji Tata, formally Sir Ratan Tata, was a Parsi financier and philanthropist of Bombay, second son of Jamsetji Tata and a Tata & Sons partner from 1896.
Ratanjit Pratap Narain Singh
Ratanjit Pratap Narain Singh, also known as RPN Singh, is an Indian politician who joined the BJP in 2022 and serves in the Rajya Sabha.
Ratannāth
Ratannāth (रतननाथ), also venerated as Pīr Ratannāth or Hājjīrattan, is a Nāth yogī placed in the spiritual descent from Gorakhnāth and honored at shrines across India, Nepal, and Afghanistan.
Ratatoskr
Ratatoskr (Ratatosk, Ratatǫskr) is the squirrel of Norse mythology who runs up and down Yggdrasil carrying spiteful words between the eagle at its crown and the dragon Níðhöggr, attested only in Grímnismál 32 and Gylfaginning 16.
Ratchet (slang)
Ratchet is African American English slang for trashy, classless, or unruly, also used positively for exciting or authentic. Attested from 1992 in UGK lyrics and spread via Shreveport, Louisiana hip-hop, notably Anthony Mandigo's 1999 "Do the Ratchet."
Rate of return
Rate of return, also called annual return or investment return, is the gain or loss on an investment expressed as a proportion of the amount invested.
RateGain
RateGain Travel Technologies Limited is an Indian SaaS company founded by Bhanu Chopra in Noida in 2004, which became India's first publicly listed SaaS firm in December 2021.
Ratfucking
Ratfucking, also spelled Ratfuck, is American slang for covert political sabotage and dirty tricks, entering the national lexicon through Watergate-era reporting on Nixon's 1972 reelection campaign.
Ratha Yatra (ରଥଯାତ୍ରା) (Puri)
Ratha Yatra (ରଥଯାତ୍ରା) is the annual Festival of Chariots at Puri, Odisha, where the deities Jagannatha, Balabhadra, and Subhadra are carried on wooden chariots to the Gundicha Temple.
Rathindra Bose (রথীন্দ্র বসু)
Rathindra Bose (রথীন্দ্র বসু), also spelled Rathindranath Bose, is a BJP politician and chartered accountant who became Speaker of the 18th West Bengal Assembly on 15 May 2026, the first from North Bengal, first CA, and first BJP legislator in the post.
Rathindranath Tagore (রথীন্দ্রনাথ ঠাকুর)
Rathindranath Tagore, also known as Rathindranath Thakur (রথীন্দ্রনাথ ঠাকুর), was an Indian agriculturist and eldest son of Rabindranath Tagore who served as the first vice-chancellor of Visva-Bharati from 1951 to 1953.
Rathore dynasty of Marwar
The Rathore dynasty of Marwar (राठौड़) was a Rajput ruling house that governed Marwar in western Rajasthan from the thirteenth century into the twentieth, ruling from Mandore and later Jodhpur.
Rathore rebellion
The Rathore rebellion (मारवाड़ विद्रोह) was a Rajput uprising against Mughal emperor Aurangzeb in Marwar, beginning in 1678 and ending with Ajit Singh's restoration in 1707.
Rati (रति)
Rati (रति) is the Hindu goddess of love and sexual pleasure, consort of Kamadeva. Born from Daksha's sweat per the Kalika Purana, she laments Kama's burning in Kalidasa's Kumarasambhava and is reborn as Mayavati, reunited with Kama as Pradyumna.
Ratib of the Mahdi
The Ratib of the Mahdi (رتيب المهدي) is a book of prayers composed by Muhammad Ahmad, the Mahdi of the Sudan, made obligatory for his followers.
Ratification
Ratification is the international act by which a state consents to be bound by a treaty under the Vienna Convention on the Law of Treaties; distinct from signature and accession, and shaped by domestic constitutional approval rules.
Ratification of the Treaty of Lisbon
Ratification of the Treaty of Lisbon: approval by all 27 EU member states of the treaty signed 13 December 2007, via parliaments and two Irish referendums (2008 rejected 53.4% no; 2009 passed 67.1%), entering into force 1 December 2009.