отстой

1) General subject: ale grains, ales, deposit, dregs, emptying (на дне сосуда), heeltap, residue, residuum, sediment, settling, sludge, sucks

2) Naval: holding anchorage

3) Colloquial: it sucks (slang: of something bad), lousy (youthspeak - молодежный жаргон)

4) Slang: dreck, junk, trash

5) Engineering: bulking sludge, dreg, lees, residual, settlement, settlings, sink (грязи), bleeding

6) Chemistry: residual matter

7) Economy: bottom of the barrel

8) Automobile industry: sedimentation (напр. топлива), settling (топлива, масла), parking (автотранспорта)

9) Mining: standage (воды)

10) Jargon: a waste of time (referring to a job, party etc.), stinks (аналог "sucks"), bullshit

11) Oil: basic sediment, bottom, bottom sediment, bottom settlings, bottoms, bushwash (на дне нефтяного резервуара), feculence, feculency, settling-out (бурового раствора), slush, muck

12) Food industry: foot (после слива жира)

13) Ecology: settings

14) Sakhalin energy glossary: Laying-up

15) Polymers: bottom settling, break, foots, mud

16) Automation: sediment (напр. СОЖ)

17) General subject: sediment (в топливном баке), sludge (смазочного масла)

18) Chemical weapons: settling (отстаивание)

19) Makarov: ale-grains, emptyings, grounds

20) Gold mining: decant

21) Electrochemistry: slime

22) General subject: dregginess