What does "decantation" mean?

the act of decanting the supernatant liquid from a solid sediment

What is a synonym for "decantation"?

Common synonyms include: decanted, decanting.

Pronounced //ˌdiːkænˈteɪʃən//.

/ˌdiːkænˈteɪʃən/ noun

noun ·Rare ·Advanced level

Noun

1
the act of decanting the supernatant liquid from a solid sediment countable, uncountable
2
the act of gently pouring off a clear liquor (as from its original bottle) without disturbing the lees wordnet

Borrowed from French décantation, decant + -ation.