Old Testament readings use the Septuagint , the Scripture the apostles quoted. Masoretic numbering shown for reference.Learn why

ignescent

adjective

[L. ignescens, ignesco, from ignis, fire.]

Emitting sparks of fire when struck with steel; scintillating; as ignescent stones.

ignescent

noun
A stone or mineral that gives out sparks when struck with steel or iron. Many other stones, besides this class of ignescents, produce a real scintillation when struck against steel.