º

See also: ° [U+00B0 DEGREE SIGN], ⁰ [U+2070 SUPERSCRIPT ZERO], ᵒ [U+1D52 MODIFIER LETTER SMALL O], ◌̊, ◦ [U+25E6 WHITE BULLET], and Appendix:Variations of "o"

º U+00BA, º
MASCULINE ORDINAL INDICATOR
← ¹
[U+00B9] 		Latin-1 Supplement » →
[U+00BB]

Translingual

Description

A small letter o, to be placed at the top of the line, often underlined.

Symbol

º

  1. Used as the masculine ordinal indicator in several Romance languages.
    1º, 2º, 3º
    Coordinate term: ª (feminine ordinal indicator)
  2. Used as a general ordinal indicator in other languages.
    • 1966, George J. Minty, “On the Axiomatic Foundations of the Theories of Directed Linear Graphs, Electrical Networks and Network-Programming”, in Journal of Mathematics and Mechanics, volume 15, number 3 (in English), →JSTOR, pages 506–507:
      A digraphoid is a structure consisting of: (1º) a graphoid, and (2º) a partitioning of each circuit and cocircuit of the graphoid, each being partitioned into two sets; this partitioning is to satisfy the axiom: […]
  3. (nonstandard) Alternative form of ° (“degree”).
    • 2021 July 1, Gregory McNamee, “Does spinach make you strong? Ask Popeye – and science”, in CNN‎[1] (in English):
      For this reason, the US Centers for Disease Control and Prevention recommends that spinach be cooked at 160º for 15 seconds, which kills potentially fatal bacteria.
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