Phlogistian

adj, noun

adj, noun ·Rare ·Advanced level

Definitions

Noun

1
A believer in the existence of phlogiston.
"It [air] was liable, according to the phlogistians, to vitiation, by the addition to it of phlogiston, […]"

Adjective

1
Of or pertaining to phlogiston or phlogiston theory. not-comparable
"In Davy's time it was still necessary in considering any novel fact to keep the phlogistian hypothesis in view, and to demonstrate its inability to explain the new discoveries."

Synonyms

Antonyms

antiphlogistian antiphlogistic

Example

"It [air] was liable, according to the phlogistians, to vitiation, by the addition to it of phlogiston, […]"

Etymology

From phlogist(on) + -ian.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.