dephlogisticate

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UK/ˌdiflɒˈd͡ʒɪstɪˌkeɪt/US/ˌdiflɑˈd͡ʒɪstɪˌke(ɪ)t/

verb

To take away the phlogiston, i.e. ability to burn, which is now understood to be chemically impossible

OriginFrench déphlogistiquer →
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Meanings

verbdephlogisticate (third-person singular simple present dephlogisticates, present participle dephlogisticating, simple past and past participle dephlogisticated)

present singular third person dephlogisticates · participle present dephlogisticating · participle past dephlogisticated · past dephlogisticated

  1. To take away the phlogiston, i.e. ability to burn, which is now understood to be chemically impossible

Origin

  1. Frenchdéphlogistiquer“to dephlogisticate”
  2. Englishdephlogisticate

From de- + phlogisticate, after French déphlogistiquer (“to dephlogisticate”).

More words from French

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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