valley fill
The waste produced by mountain top removal miningThe waste produced by mountain top removal mining. So named because it is typically piled high in nearby valleys.
» The valley filled with smoke from the fire.
Meaning
1 senses(uncountable)The waste produced by mountain top removal mining. So named because it is typically piled high in nearby valleys.
Examples
1 sentencesThe valley filled with smoke from the fire.
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable