supernatant
Intermediate (B1)
IPA: //ˈsuːpərˌneɪtənt//
KK: /ˈsuːpərˌneɪtənt/
adjective
Definition
Describing something that is floating on the surface of a liquid.
Example
The supernatant layer was clear and free of particles.
Comparatives & Superlatives
Comparative: more supernatant
Superlative: most supernatant
Conversation
Did you see that liquid floating on top of the sample?
Yeah, it looks like the supernatant we learned about in class.
I wasn't sure if it was just some bubbles or the actual supernatant.
It definitely looks like it — we should check the notes to confirm.
Synonyms & Antonyms
Synonyms
floating
buoyant
hovering
Antonyms
sinking
submerged
dipping
noun
Definition
The clear liquid that forms on top of a solid material after it has settled or been separated, often seen in scientific processes like centrifugation.
Example
After the mixture was centrifuged, the supernatant was carefully removed from the bottom sediment.
Conversation
What do you usually do with the supernatant after centrifugation?
I usually pour it off carefully to avoid disturbing the sediment.
That makes sense! I always worry about mixing it up.
Root Explanation
Supernatant → It is formed from "super-" (meaning above) and "natare" (meaning to swim). The word describes a liquid that is swimming or lying above another substance, typically in a container.
Memory Tip
Think of something that is 'above' ('super-') and 'swimming' ('natare') in a liquid — that's why supernatant refers to the liquid that sits on top.
Visually Confused Words
No commonly confused words.