spark
US /spɑːrk/
UK /spɑːrk/

1.
scintilla
a small fiery particle thrown off from a fire, electric circuit, or friction
:
•
A single spark ignited the dry leaves.
Una singola scintilla ha acceso le foglie secche.
•
You can see sparks flying when the metal is ground.
Si possono vedere scintille volare quando il metallo viene macinato.
1.