'Ignescent' definitions:

Definition of 'ignescent'

(from WordNet)
adjective
Can emit sparks or burst into flame

Definition of 'Ignescent'

From: GCIDE
  • Ignescent \Ig*nes"cent\, a. [L. ignescens, p. pr. of ignescere to become inflamed, fr. ignis fire: cf. F. ignescent.] Emitting sparks of fire when struck with steel; scintillating; as, ignescent stones. [1913 Webster]