Presheath

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A region in advance of a sheath

    "Instead, a long presheath region extends into the plasma where electrons are accelerated via a pressure gradient to a flow speed exceeding the electron thermal speed at the sheath edge."

Example

More examples

"Instead, a long presheath region extends into the plasma where electrons are accelerated via a pressure gradient to a flow speed exceeding the electron thermal speed at the sheath edge."

Etymology

From pre- + sheath.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.