supernate


su·per·na·tant

S0900600 (so͞o′pər-nāt′nt)adj. Floating on the surface.n. also su·per·nate (so͞o′pər-nāt′) The clear fluid above a sediment or precipitate.
[Latin supernatāns, supernatant-, present participle of supernatāre, to float : super-, super- + natāre, to swim, frequentative of nāre; see snā- in Indo-European roots.]

supernate

(ˌsuːpəˈneɪt) na supernatant liquidvbto float on (a surface)