Sediment

• abstract: Sediment is the solid material which settles to the bottom of any wine container, such as a bottle, vat, tank, cask, or barrel. Sediment is a highly heterogeneous mixture which at the start of wine-making consists of primarily dead yeast cells (Lees (fermentation) the insoluble fragments of grape pulp and skin, and the seeds that settle out of new wine.

以上来源于: WordNet