Definition of open flame in English:

open flame

noun

  • 1A state of combustion in which a flame is visible (as opposed to smouldering or glowing). Chiefly figurative or in figurative contexts: unconcealed and unrestrained passion, enmity, thoughts, etc. Frequently in "to burst into (an) open flame" and variants.

  • 2A naked flame.

Origin

Late 16th century; earliest use found in Brian Melbancke (d. 1600), writer. From open + flame [adjective].

Pronunciation

open flame

/ˌəʊp(ə)n ˈfleɪm/