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buffy coat
A cocoon.
Maude
yes
It is spun and gives you the weight or height or length.
Serum
Tiger top tube
serum
spun
Deb Menz has written: 'Color in spinning' -- subject(s): Color in textile crafts, Spinning, Spun yarns, Hand spinning
Precipitate can be a noun or a verb. Since you didn't say which you needed, here are a couple of ideas. The precipitate from that solution is brown. Did anything precipitate when you spun the test tubes?
Charlotte the spider's web was carefully spun. The dancer spun like a top!
You will be sucked down into it and be spun around until you are melted down into a fine layer of liquid and be sold to slave owners.
Packed, spun-down or lysed red blood cells would be better.
It's also 'spun'.
advantages of spun pile
Spun is the past and past participle of "spin".