Associations to the word «Phlogiston»

Wiktionary

PHLOGISTON, noun. (chemistry) (historical) The hypothetical fiery principle formerly assumed to be a necessary constituent of combustible bodies and to be given up by them in burning.
PHLOGISTON THEORY, noun. (chemistry) an obsolete scientific theory of combustion

Dictionary definition

PHLOGISTON, noun. A hypothetical substance once believed to be present in all combustible materials and to be released during burning.

Wise words

Every once in a while, you let a word or phrase out and you want to catch it and bring it back. You can't do that. It's gone, gone forever.
Dan Quayle