All articles A–Z

Siyah Qalam

Siyah Qalam (سیاه‌قلَم, "black pen") is a genre of monochrome ink drawing in Persian art, and a famous group of such works in Istanbul's Topkapı Palace Library.

Siyaj Chan Kʼawiil II

Siyaj Chan Kʼawiil II, also spelled Sihyaj Chan Kʼawiil II and nicknamed Stormy Sky, was a Maya king of the city of Tikal in Guatemala who ruled from 411 to 456.

Sep 24, 2026

Siyaj K'ak'

Siyaj K'ak', also written Sihyaj K'ahk', was a Teotihuacan warlord who arrived at Tikal in 378 CE, where the reigning king died the same day.

Siyaka II

Siyaka II (सियक द्वितीय) was a ruler of the Paramara dynasty of Malwa, son of Vairisimha II, whose defeat of Khottiga and sack of Manyakheta around 972 made the Paramaras a sovereign power.

Siyakholwa Kuse

Siyakholwa 'One Way' Kuse (born 2003) is a South African minimumweight boxer, WBC strawweight world champion since May 2026 after beating Melvin Jerusalem; record 10-3-1 (4 KOs).

Siyar a'lam al-nubala

Siyar a'lam al-nubala (سير أعلام النبلاء, "Lives of the Noble Figures") is a biographical dictionary by the hadith scholar al-Dhahabi, covering eminent Muslims to about 1300.

Siyar al-Auliya

Siyar al-Auliya (سیر الاولیاء) is a 14th-century Persian biographical dictionary of the Chishti Sufi masters of India, written by Mir Khurd and considered the most authentic source on the order.

Siyar sha'biyya

Siyar sha'biyya (سيرة شعبية, popular epics) are anonymous Arabic narratives in prose and verse recounting the deeds of heroes and tribes, flourishing in the Mamluk period.

Siyar-ul-Mutakherin

Siyar-ul-Mutakherin (سیر المتاخرین) is a Persian history of 18th-century India written by Sayyid Ghulam Husain Khan Tabataba'i in the early 1780s, covering Mughal decline from 1707 to 1781.

Siyaram Baba (सियाराम बाबा), Hindu ascetic saint of Bhatyan Ashram, Khargone, Madhya Pradesh, on the Narmada; Hanuman devotee who took only Rs 10 donations; died 11 December 2024, officially aged 94 despite viral claims of 110 to 188 years.

Siyasatnama

The Siyasatnama (سیاست‌نامه), also known as Siyar al-Muluk, is a Persian manual on statecraft in fifty chapters, written for the Seljuk sultan Malikshah by his vizier Nizam al-Mulk around 1086.

Sep 19, 2026

Siyeon

Siyeon (시연), born Lee Si-yeon, is a South Korean singer and main vocalist of the girl group Dreamcatcher, having first debuted in 2014 with MINX before the group's 2017 re-debut.

Siyer-i Nebi

Siyer-i Nebi is a Turkish prose-and-verse biography of the Prophet Muhammad, written in Cairo in 1388 by Mustafa Darir, best known through an illustrated Ottoman copy of 1594–1595 with 814 miniatures.

Oct 21, 2026

Siyka Kelbecheva Barbulova

Siyka Kelbecheva Barbulova (Сийка Келбечева-Барбулова), born 1951, Bulgarian rower; Olympic gold in women's coxless pairs at Montreal 1976 and bronze at Moscow 1980, both with Stoyanka Gruycheva.

Siyu

Siyu is a Swahili settlement on Pate Island in Kenya's Lamu Archipelago, a former city-state known for resisting Omani rule and for its 19th-century Siyu Fort.

Siyu Zhang

Siyu Zhang is a Chinese systems neuroscientist who has been Principal Investigator at Shanghai Jiao Tong University School of Medicine since 2016, studying top-down attention and basal forebrain sleep-wake circuits.

size (Unix)

size is a Unix command-line utility, part of the GNU Binary Utilities, that lists the section sizes and total size of object files, executables, and archives, commonly used after compiling.

Oct 10, 2026

Size effect

The size effect in finance is the tendency of small-capitalization stocks to outperform large stocks, first documented by Rolf Banz in 1981 as a challenge to the CAPM.

Size Matters

Size Matters is Helmet's fifth studio album, released October 5, 2004 on Interscope: the first after the 1998 breakup, with Page Hamilton joined by John Tempesta and Chris Traynor, largely written about his breakup with Winona Ryder.

Size zero

Size zero (US size 0, UK size 4) is the smallest conventional numbered women's clothing size, introduced by Nicole Miller in the 1990s, extended to 00 and 000, and emblematic of vanity sizing and thinness debates.

Size-exclusion chromatography

Size-exclusion chromatography, also known as gel filtration chromatography, is a liquid chromatography technique that separates molecules by their hydrodynamic volume, mainly used to determine polymer molar masses and analyze protein aggregates.

Size-specific dose estimate

The size-specific dose estimate (SSDE) is a radiation dose metric for CT that multiplies the scanner-reported CTDIvol by a patient-size conversion factor, introduced in AAPM Report 204 in 2011.

Sizewell

Sizewell is a coastal site in Suffolk, England, hosting three nuclear power stations: the decommissioned Sizewell A, operating Sizewell B, and the twin-reactor Sizewell C under construction.

Sizewell nuclear power plant

The Sizewell nuclear power plant is a site on the North Sea coast of Suffolk, England, hosting the operating Sizewell B reactor and the Sizewell C project.

Sizing

Sizing, also called warp sizing (浆纱), is the textile process of coating warp yarns with size such as starch or PVA to improve weavability, followed by desizing before dyeing.

Oct 10, 2026

Sizong

Sizong (嗣宗, 1085–1153) was a Song-dynasty Caodong Chan monk of Xuedou Temple in Qingyuan Prefecture, a dharma heir of Hongzhi Zhengjue known as Zong Baitou.

Sizwe Bansi Is Dead

Sizwe Bansi Is Dead is a landmark anti-apartheid play created by Athol Fugard with actors John Kani and Winston Ntshona, first performed in Cape Town in 1972.

Oct 20, 2026

Sizwe Ndlovu

Sizwe Lawrence Ndlovu (born 1980, Johannesburg) is a South African rower who stroked the lightweight four to gold at London 2012, the first Olympic rowing gold for South Africa and Africa; now a coach and Dakar 2026 Chef de Mission.

Sizzla

Sizzla (Sizzla Kalonji, born Miguel Orlando Collins, 1976) is a Jamaican conscious reggae and dancehall artist of the Bobo Ashanti Rastafari branch, known for the 1997 albums Praise Ye Jah and Black Woman & Child and more than 90 albums.