sump oil
Lubricating oil contained in the sump of an engineLubricating oil contained in the sump of an engine; the waste oil drained from the sump at the time of an oil change.
Meaning
1 senses(uncountable)Lubricating oil contained in the sump of an engine; the waste oil drained from the sump at the time of an oil change.
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable