underexpanded

U1N1D2E1R1E1X8P3A1N1D2E1D2

adjective

Less than usually expanded

Scrabble 25
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Meanings

adjectiveunderexpanded (not comparable)
  1. not comparableLess than usually expanded
    1 more example

    The setup makes use of LEDs, pulsed with high currents to increase the optical output to sufficient levels, exploiting the advantages of LED light over conventional light sources. As a test-case we study the interaction of a Mach 1.7 cross flow and a transverse underexpanded jet, which is commonly studied considering the mixing and combustion in scramjet engines.

    2016, Ella Giskes, Ruben A. Verschoof, Frans B. Segerink, Cornelis H. Venner, “Schlieren study of a sonic jet injected into a supersonic cross flow using high-current pulsed LEDs”, in arXiv

Origin

From under- + expanded.

Full word history & related roots →
Cite this entry
APA

underexpanded. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/underexpanded

MLA

“underexpanded.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/underexpanded. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “underexpanded,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/underexpanded.

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