Lees

definition

Yeast sediment is a clearly defined technical term in the context of chemistry, fermentation, stability, or bottle aging of wine.

System model

Yeast trub is described as a clearly definable quantity within a technical reference framework, the internal logic of which is independent of evaluation, objective or application.

Demarcation

• Yeast trub ≠ an adjacent, but not identical, term
• Conceptual definition ≠ practical control