noun, masculine/ɡʁi.zu/
firedamp
“coup de grisou” — firedamp explosion, gas blast
From Walloon form of grégeois (as in feu grégeois).
/ɡʁi.zu/
firedamp
“coup de grisou” — firedamp explosion, gas blast
From Walloon form of grégeois (as in feu grégeois).