Amoeba (sometimes amœba or ameba, plural amoebae, amoebas or amebas) is a type of cell or organism which has the ability to alter its shape, primarily by extending and retracting pseudopods. Amoeba or variants may also refer to: Biology Amoeba (genus), a genus of single-celled protists in the family Amoebidae Amoebozoa, a large group of protists that includes the genus Amoeba Arts and entertainment Amoeba Music, an independent music chain Amoeba (band), an experimental music group with Robert Rich and Rick Davies Amoeba (album), a 1991 album by the band Critters Buggin "Amoeba" (song), a 1981 song by the Adolescents Amoeba (film), a 2016 Malayalam film Other uses Ameba (website), a Japanese social networking website Amoeba (mathematics), a certain type of set Amoeba order, a mathematical construction in set theory Amoeba (operating system) Amoeba defense, a basketball strategy Amoeba method, a type of downhill search algorithm for finding minima (optima) Amoeba Management, a management system designed by Kyocera founder Kazuo Inamori