What does "nonfiring" mean?

Absence of firing; failure to fire.

Nonfiring

adj, noun

adj, noun ·Rare ·Advanced level

Noun

1
Absence of firing; failure to fire. uncountable
"The Firing and Nonfiring of Receptors"

Adjective

1
That does not fire. not-comparable
"The level of europium found on the web of the nonfiring hand is significantly different from the levels on the palms and backs of the hand..."

"The level of europium found on the web of the nonfiring hand is significantly different from the levels on the palms and backs of the hand..."

From non- + firing.