All articles A–Z
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Sindhi folk epic
A Sindhi folk epic is a long oral narrative of heroism or romance from Sindh, Pakistan, sung by bards; its love legends include Sassui Punnhu and Umar Marvi.
Sindhi Geet
Sindhi Geet (سنڌي گيت) is a modern lyric song form in Sindhi literature, distinct from folk song, dealing with romantic love and later social and patriotic themes.
Sindhi ghazal
Sindhi ghazal (سنڌي غزل) is the couplet-based ghazal form as composed in Sindhi, which arrived through Persian and took root in the Kalhora and Talpur periods.
Sindhi kafi
Sindhi kafi (سنڌي ڪافي) is a Sufi song genre of the Indus Valley in which kāfī poems, their strophes alternating with a refrain, are sung in Sindhi and related languages.
Sindhi language
Sindhi (سنڌي ٻولي) is an Indo-Aryan language of the lower Indus valley, official in Pakistan's Sindh and Indian Rajasthan. About 34.4 million Pakistani speakers (2023), 52-letter Perso-Arabic script, four implosives, Vicholi standard dialect.
Sindhi modernist poetry
Sindhi modernist poetry is the body of early twentieth-century Sindhi poetry that abandoned classical metrical forms and traditional themes for free verse, with Shaikh Ayaz as its central figure.
Sindhi Nazm
Sindhi Nazm (سنڌي نظم) is the poem-form of Sindhi poetry expressing one coherent, continuous thought, unlike the ghazal's independent couplets. Its modern form divides into metered paband nazm and free verse azad nazm.
Sindhi novel
The Sindhi novel is long-form prose fiction in the Sindhi language, introduced by Mirza Kalich Beg, whose Zeenat (1890) is credited as the first original Sindhi novel.
Sindhi short story
The Sindhi short story (مختصر ڪهاڻي) is the principal prose fiction genre of the Sindhi language, begun in 1914 with stories by Lal Chand Amardinomal and Mirza Qaleich Beg.
Sindhi Sufi poetry
Sindhi Sufi poetry is the mystical, devotional verse composed in Sindhi between roughly the 15th and 19th centuries, reaching its peak in Shah Abdul Latif's Risalo.
Sindhi wai
Sindhi wai (وائي) is a classical genre of Sindhi poetry composed to be sung, set to melodies called surs, with Shah Abdul Latif Bhitai as its central figure.
Sindhis (سنڌي)
Sindhis (سنڌي) are an Indo-Aryan people of Sindh in the lower Indus valley, Pakistan, speaking Sindhi; split by the 1947 Partition into a Muslim majority in Pakistan (14.31% of the 2023 census) and a Hindu diaspora in India and worldwide.
Sindhis in India
Sindhis in India: the Hindu Sindhi community, about one million people, who migrated from Sindh, Pakistan, after the 1947 Partition; deterritorialized refugees known for trade, language shift, and Sindhi's Eighth Schedule status.
Sindhu Bhairavi (சிந்து பைரவி)
Sindhu Bhairavi (சிந்து பைரவி), 1985 Tamil musical drama by K. Balachander starring Sivakumar, Suhasini, Sulakshana; Ilaiyaraaja music; three National Film Awards and a Filmfare Best Film – Tamil win.
Sindhu Menon
Sindhu Menon (born 1985, Bangalore) is an Indian actress who worked in Tamil, Telugu, Malayalam and Kannada films, debuting as a child artiste in Rashmi (1994) and known for Eeram and Chandamama.
Sindhu Samaveli (சிந்து சமவெளி)
Sindhu Samaveli (சிந்து சமவெளி) is a 2010 Tamil drama thriller directed by Samy, starring Harish Kalyan, Amala Paul, and Ghajini, about a father-in-law and daughter-in-law affair; A-certified, box-office failure, inspired by Turgenev's First Love.
Sindhu Vee
Sindhu Vee (Venkatanarayanan), born 1969 in New Delhi, is a UK-based stand-up comedian, writer, and actor; ex-Barclays investment banker, Edinburgh Best Newcomer nominee for Sandhog, Mrs. Phelps in Matilda the Musical.
Sindhubaadh (சிந்துபாத்)
Sindhubaadh (சிந்துபாத்) is a 2019 Tamil action thriller directed by S. U. Arun Kumar, starring Vijay Sethupathi, Anjali, and Surya Vijay Sethupathi; a Tenkasi thief rescues his wife from a Thai skin-trade gang, released 27 June 2019 after an Arka Media legal delay.
Sindhutai Sapkal
Sindhutai Sapkal (सिंधुताई सपकाळ), the 'Mother of Orphans', Indian social worker from Maharashtra who raised over a thousand orphans, founded multiple ashrams, and received the Padma Shri in 2021; died in Pune on 4 January 2022.
Sindibad Amusement Park
Sindibad Amusement Park (Parc Sindibad), Casablanca's Aïn Diab theme park and zoo, Morocco's largest at ~32 ha; reopened 2015 with Compagnie des Alpes/Walibi involvement; Sindipark SA, 50% acquired by Pickalbatros in 2025.
Sindicato de Telecomunicaciones y Servicios para la Ciudadanía
The Sindicato de Telecomunicaciones y Servicios para la Ciudadanía (STC), formerly the Sindicato de Trabajadores de Comunicaciones, is a Spanish union organizing telecommunications workers, formed by merger in 2002.
Sinding-Larsen-Johansson disease
Sinding-Larsen-Johansson disease (SLJ syndrome), a traction osteochondrosis causing pain at the inferior pole of the patella in active adolescents aged about 10-14; distinguished from Osgood-Schlatter disease by the injured end of the patellar tendon.
Sindiwe Magona
Sindiwe Magona, born 1943, is a South African writer and poet whose autobiographies, novels, and more than 100 children's books draw on her life under apartheid.
Sindoor
Sindoor (सिंदूर), also sindur or kumkum, is a vermilion (mercuric sulphide) powder Hindu married women apply in the hair parting; also used in worship, weddings, forensics, and linked to lead-adulteration risks.
Sindos
Sindos (Σίνδος) is an ancient tell settlement on the Thermaic Gulf in Macedonia, Greece, some 20 km west of Thessaloniki, known for its richly furnished Archaic cemetery.
Sindre Henriksen
Sindre Henriksen (born 1992, Bergen) is a retired Norwegian speed skater, Fana IL, who won 2018 Olympic team pursuit gold, took World Single Distances silver and bronze, and retired in 2021.
Sine and cosine
Sine and cosine, also written sin and cos, are the two fundamental trigonometric functions, taking any real input, returning values between −1 and 1, and repeating every 2π.
Sine cosine algorithm
The sine cosine algorithm (SCA) is a gradient-free metaheuristic for continuous optimization that updates candidate solutions using sine and cosine fluctuations toward the best solution found so far.
Sine qua non
Sine qua non, Latin for "without which not" (from condicio sine qua non), names an indispensable condition. Used formally in English and in law as the but-for test of causation, criticized and refined via NESS.
Sine wave
A sine wave, also called a sinusoidal wave, is the simplest periodic waveform, varying as the sine of a steadily increasing angle and repeating every wavelength.