nanosteradian

N1A1N1O1S1T1E1R1A1D2I1A1N1

noun

One billionth (10⁻⁹) of a steradian.

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Meanings

nounnanosteradian (plural nanosteradians)

plural nanosteradians

  1. One billionth (10⁻⁹) of a steradian.

    Its peak intensity in this model of the Sgr B2 cloud is Iₗᵢₙₑ = 0.014 Jy nsr⁻¹, where 1 Jy = 10⁻²⁶ Wm⁻²Hz⁻¹ and nsr stands for one nanosteradian (10⁻⁹ sr).

    2000, John H. Black, “The abundance and excitation of interstellar H₃⁺”, in Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, volume 358, number 1774, →DOI, page 321

Origin

From nano- + steradian.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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