Sard is a dark reddish-brown variety of the mineral

chalcedony Chalcedony ( , or ) is a cryptocrystalline form of silica, composed of very fine intergrowths of quartz and moganite. These are both silica minerals, but they differ in that quartz has a trigonal crystal structure, while moganite is monoclinic. ...

, similar to

carnelian Carnelian (also spelled cornelian) is a brownish-red mineral commonly used as a semi-precious gemstone. Similar to carnelian is sard, which is generally harder and darker (the difference is not rigidly defined, and the two names are often use ...

. Sard may also refer to: *

Sard's lemma In mathematics, Sard's theorem, also known as Sard's lemma or the Morse–Sard theorem, is a result in mathematical analysis that asserts that the set of critical values (that is, the image (mathematics), image of the set of critical point (mat ...

, a result in mathematical analysis, named after mathematician Arthur Sard * Anything from, or related to the

Mediterranean The Mediterranean Sea is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean Basin and almost completely enclosed by land: on the north by Western and Southern Europe and Anatolia, on the south by North Africa, and on the e ...

island of

Sardinia Sardinia ( ; it, Sardegna, label=Italian, Corsican and Tabarchino ; sc, Sardigna , sdc, Sardhigna; french: Sardaigne; sdn, Saldigna; ca, Sardenya, label=Algherese and Catalan) is the second-largest island in the Mediterranean Sea, after ...

Sardinians The Sardinians, or Sards ( sc, Sardos or ; Italian and Sassarese: ''Sardi''; Gallurese: ''Saldi''), are a Romance language-speaking ethnic group native to Sardinia, from which the western Mediterranean island and autonomous region of Italy deri ...

, a people hailing from the aforementioned island ** Sardinian, a language spoken on Sardinia **

Sardinian literature The literature of Sardinia is the literary production of Sardinian authors, as well as the literary production generally referring to Sardinia as argument, written in various languages. The beginnings The existence and understanding of direc ...

** Sardinian music **

Sardinian history Archaeological evidence of prehistoric human settlement on the island of Sardinia is present in the form of nuraghes and other prehistoric monuments, which dot the land. The recorded history of Sardinia begins with its contacts with the various ...

Sardinian (sheep) The Sarda is a breed of domestic sheep indigenous to the island of Sardinia. It is raised throughout Italy, and in other Mediterranean countries, particularly Tunisia. The Sarda is considered to be among the best Italian breeds of sheep for pr ...

Sardis Sardis () or Sardes (; Lydian: 𐤳𐤱𐤠𐤭𐤣 ''Sfard''; el, Σάρδεις ''Sardeis''; peo, Sparda; hbo, ספרד ''Sfarad'') was an ancient city at the location of modern ''Sart'' (Sartmahmut before 19 October 2005), near Salihli, ...

, the capital city of the ancient kingdom of Lydia * Sard, Khuzestan, a village in Khuzestan Province, Iran * Sard, Lorestan, a village in Lorestan Province, Iran * Sard, a planet in the

Gradius is a series of shooter video games, introduced in 1985, developed and published by Konami for a variety of portable, console and arcade platforms. In many games in the series, the player controls a ship known as the Vic Viper. Games *''Scr ...

video game series Şard may refer to: *Şard ( hu, Sard), a village in

Ighiu Ighiu ( hu, Magyarigen; german: Grabendorf) is a commune located in Alba County, Transylvania, Romania. The commune is composed of five villages: Bucerdea Vinoasă (''Borosbocsárd''), Ighiel (''Igenpataka''), Ighiu, Șard (''Sárd'') and Țelna ...

Commune, Alba County, Romania *

Șoarș Șoarș (german: Scharosch bei Fogarasch; Saxon dialect: ''Schursch''; hu, Sáros) is a commune in Brașov County, Transylvania, Romania. It is composed of five villages: Bărcuț, Felmer, Rodbav, Seliștat and Șoarș. Each village has a fortifie ...

, a commune in Braşov County, Romania * Şardu, a village in Cluj County, Romania * Şapartoc, a village in Mureș County, Romania * Şardu Nirajului, a village in Mureș County, Romania * Şoard, a village in Mureș County, Romania *

Saravale Saravale (colloquially Sarafola; hu, Sárafalva; german: Sarafol; sr, Саравола, Saravola) is a commune in Timiș County, Romania. It is composed of a single village, Saravale. It was part of Sânpetru Mare commune until 2004, when it was ...

, a commune in Timiș County, Romania * Şaroş pe Târnave, in Sibiu County, Romania * Noroieni, a village in Satu Mare County, Romania * Șar River (Cormoș), an affluent of the Cormoş River, Romania * Șar River (Mureș), an affluent of the Mureş River, Romania *

Sáros county Sáros (- Hungarian, Slovak: ''Šariš'', Latin: ''comitatus Sarossiensis'', German: ''Scharosch'') was an administrative county (comitatus) of the Kingdom of Hungary. Its territory is now in northeastern Slovakia. Today, Šariš is only an infor ...

, a former division of the Kingdom of Hungary, now in Slovakia SARD may refer to: *

SARD is a Japanese tuning company and racing team from Toyota, Aichi, mainly competing in the Super GT series and specialising in Toyota tuning parts. History The company was formed in 1972 as Sigma Automotive Co., Ltd by Shin Kato to develop and ...

Corporation, a Japanese racing team, and aftermarket automotive-component manufacturer * Sudden acquired retinal degeneration, a disease in dogs causing sudden blindness *

Selective androgen receptor degrader A selective androgen receptor degrader or downregulator (SARD) is a type of pharmaceutical drug, drug which interacts with the androgen receptor (AR) such that it causes the AR to be degraded and thus downregulation and upregulation, downregulate ...

Software Assurance Reference Dataset
a publicly available collection of thousands of example programs with known weaknesses

See also