lubricant
nounUK /ˈluː.brɪ.kənt/
US /ˈluː.brɪ.kənt/
A lubricant is a slippery stuff that makes things move easily without rubbing.
Dad put a lubricant on the rusty bike chain so the wheels could spin smoothly.
SYNONYMS
OTHER MEANINGS
2. A substance used to keep skin or hair soft and moist.
She rubbed a lubricant on her dry hands.
3. Something that helps people get along or makes a process easier.
Laughter can be a lubricant for awkward conversations.
4. A fluid used in cars to keep engine parts moving smoothly.
The mechanic checked the lubricant level in the engine.