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Sigma (/ ˈ s ɪ ɡ m ə / SIG-mə; [1] uppercase Σ, lowercase σ, lowercase in word-final position ς; Ancient Greek: σίγμα) is the eighteenth letter of the Greek alphabet. In the system of Greek numerals , it has a value of 200.
Sigma male is an internet slang term to describe solitary, masculine men. The term gained prominence within Internet culture during the late 2010s and early 2020s, and has inspired numerous memes, graffitis and videos. [32] It is used to denote a male who is equivalent to an alpha male but exists outside the alpha-beta male hierarchy as a "lone ...
Sigma males are “considered ‘equal’ to Alphas on the hierarchy but live outside of the hierarchy by choice,” reads the website. Urban Dictionary adds that sigma “is what all 10 year olds ...
Sigma Corporation (株式会社シグマ, Kabushiki-gaisha Shiguma) is a Japanese company, manufacturing cameras, lenses, flashes and other photographic accessories. All Sigma products are produced in the company's own Aizu factory in Bandai , Fukushima , Japan .
Sigma Guitars is a guitar manufacturing brand originally released by C.F. Martin as a line of guitars at affordable prices to compete with the increasing number of ...
Standard deviation may be abbreviated SD or std dev, and is most commonly represented in mathematical texts and equations by the lowercase Greek letter σ (sigma), for the population standard deviation, or the Latin letter s, for the sample standard deviation.
Sigma is the Sigma-Aldrich's main biochemical supplier, with offerings including antibiotics, buffers, carbohydrates, enzymes, forensic tools, hematology and histology, nucleotides, proteins, peptides, amino acids and their derivatives. The Sigma RBI Logo. Sigma RBI produces specialized products for use in the field of cell signaling and ...
Sigma Designs, Inc., a US semiconductor manufacturer; Sigma Healthcare, an Australian pharmaceutical company; Sigma Motor Corporation, a defunct South African motor vehicle assembler and manufacturer; Sigma Motors, a Pakistani assembler of Land Rovers; Sigma Sigma Sigma (Tri-Sigma), an American women's sorority centered on education & scholarship