pseudomagnitude

P3S1E1U1D2O1M3A1G2N1I1T1U1D2E1

noun

A measurement that gives an indication of size but which is not a true magnitude. For example some pseudomagnitude values can be negative.

Scrabble 22
Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

nounpseudomagnitude (plural pseudomagnitudes)

plural pseudomagnitudes

  1. A measurement that gives an indication of size but which is not a true magnitude. For example some pseudomagnitude values can be negative.

    It makes use of two new reddening-free concepts: a distance indicator called pseudomagnitude, and a quasi-experimental observable that is independent of distance and specific to each star, called the differential surface brightness (DSB).

    2016, Alain Chelli, Gilles Duvert, Laurent Bourgès, Guillaume Mella, Sylvain Lafrasse, Daniel Bonneau, Olivier Chesneau, “Pseudomagnitudes and Differential Surface Brightness: Application to the apparent diameter of stars”, in Astronomy & Astrophysics, volume 2016

Origin

From pseudo- + magnitude.

Full word history & related roots →
Cite this entry
APA

pseudomagnitude. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/pseudomagnitude

MLA

“pseudomagnitude.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/pseudomagnitude. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “pseudomagnitude,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/pseudomagnitude.

Source: pseudomagnitude on Wiktionary, CC BY-SA 4.0.