lubricant
Lubricant (noun) means a substance, such as oil or grease, applied between surfaces to cut down friction and wear. Example: “Mechanics apply lubricant to gears so they don't grind against each other.”
How to use lubricant
Learner’s notesIn plain EnglishAnything applied to surfaces to make them slide smoothly instead of grinding.
Word forms
- Plural
- lubricants
Fill the gap
Can you complete this real example?
Mechanics apply _____ to gears so they don't grind against each other.
Etymology
From the verb "lubricate" plus the suffix "-ant," which marks something that performs an action.