theoretical plate

English

Noun

theoretical plate (plural theoretical plates)

  1. (physics, chemistry) A plate or tray in a distillation column that produces the best possible difference between the liquid and vapor phases in equilibrium with it; the equivalent concept in a fractionating column packed with beads or rings.

Usage notes

  • The number of theoretical plates in a fractionating column is a measure of its ability to separate components.

Further reading