Term: sigma: the 18th letter of the Greek alphabet
Broader: symbol: an arbitrary sign (written or printed) that has acquired a conventional significance | Unrelated: tuner: someone who tunes pianos
Broader: symbol: an arbitrary sign (written or printed) that has acquired a conventional significance | Unrelated: euphuism: any artificially elegant style of language
Broader: symbol: an arbitrary sign (written or printed) that has acquired a conventional significance | Unrelated: ginseng: aromatic root of ginseng plants
Broader: symbol: an arbitrary sign (written or printed) that has acquired a conventional significance | Unrelated: archosaur: extinct reptiles including: dinosaurs; plesiosaurs; pterosaurs; ichthyosaurs; thecodonts
Broader: symbol: an arbitrary sign (written or printed) that has acquired a conventional significance | Unrelated: marquis: nobleman (in various countries) ranking above a count
Broader: symbol: an arbitrary sign (written or printed) that has acquired a conventional significance | Unrelated: tablet-armed chair: a chair with an arm that has been widened for writing
Broader: symbol: an arbitrary sign (written or printed) that has acquired a conventional significance | Unrelated: american gallinule: American purple gallinule
Broader: symbol: an arbitrary sign (written or printed) that has acquired a conventional significance | Unrelated: white separatism: a social system in which white people live separately from members of other races
Broader: symbol: an arbitrary sign (written or printed) that has acquired a conventional significance | Unrelated: trogon: forest bird of warm regions of the New World having brilliant lustrous plumage and long tails
Broader: symbol: an arbitrary sign (written or printed) that has acquired a conventional significance | Unrelated: antipope: someone who is elected pope in opposition to another person who is held to be canonically elected