steamless

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adjective

Without steam.

“steamless pyrolysis of ethane to ethylene”

Scrabble 11
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Meanings

adjectivesteamless (not comparable)
  1. not comparableWithout steam.

    steamless pyrolysis of ethane to ethylene

    1 more example

    Steamless scene at Oban on August 8, with Birmingham R.C.W. Type 2 diesels Nos. D5361 on the 4.55 p.m. to Ballachulish, D5348 on the 5.30 p.m. to Glasgow and Edinburgh and D5362 on the 6 p.m. to Euston.

    1962 October, “Motive Power Miscellany”, in Modern Railways, page 284, photo caption

Origin

From steam + -less.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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