order of magnitude

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order of magnitude

Where it comes from

18th century, in the sense "magnitude (brightness class) of a star", informed by the Greek τῶν μεγάλων τάξις (tôn megálōn táxis) (Ptolemy).

noun orders of magnitude

  1. The class of scale or magnitude of any amount, where each class contains values of a fixed ratio (most often 10) to the class preceding it. 2011, Enrico Fermi, Wikisource (translator), Concerning a Contradiction between the Electrodynamic and Relativistic Theory of Electromagnetic Mass, 1922, Enrico Fermi, Über einen Widerspruch zwischen der elektrodynamischen und relativistischen Theorie der elektromagnetischen Masse, Physikalische Zei

    Similar: OOM

Translations

Every language

noun class of scale

Españolorden de magnitud
한국어크기 정도 keugi jeongdo, 크기 자릿수 keugi jaritsu
日本語桁 keta
中文數量級 /数量级 shùliàngjí
Portuguêsordem de grandeza
Françaisordre de grandeur
DeutschGrößenordnung
Tiếng Việtbậc độ lớn
עבריתסֵדֶר גֹּדֶל séder gódel

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MLA

"order of magnitude." Wiktionary, via Micwyn, micwyn.com/word/order%20of%20magnitude. Accessed 6 Nov. 2026.

APA

order of magnitude. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/order%20of%20magnitude

Chicago

"order of magnitude." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/order%20of%20magnitude.

BibTeX
@misc{order_of_magnitude_2026,
  title = {order of magnitude},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/order%20of%20magnitude},
  urldate = {2026-11-06}
}