spark spectrum

noun

, Physics.

1. a spectrum formed from the light produced by an electric spark, characteristic of the gas or vapor through which the spark passes.

Example Sentences

The salts have a faint pink colour, and show a faint absorption spectrum; the spark spectrum is brilliant and well characterized.

From Project Gutenberg

Gallium is best detected by means of its spark spectrum, which gives two violet lines of wave length 4171 and 4031.

From Project Gutenberg

The salts of praseodymium are green in colour, and give a characteristic spark spectrum.

From Project Gutenberg