Membrane

Definitions

1. A flexible enclosing or separating tissue forming a plane or film and separating two environments.
   countable, uncountable
2. A mechanical, thin, flat flexible part that can deform or vibrate when excited by an external force.
   countable, uncountable
3. A flexible or semiflexible covering or waterproofing whose primary function is to exclude water.
   countable, uncountable
4. A microscopic double layer of lipids and proteins forming the boundary of cells or organelles.
   countable, uncountable
5. A piece of parchment forming part of a roll.
   countable, uncountable

Equivalents

Examples

“The animal was breathing oxygen that permeated from the water through panels of membrane while carbon dioxide and other unwanted gases moved in the opposite direction—from the animal's enclosed atmosphere into the water.”

“Then they backed the membrane with a gel matrix containing a perfluorocarbon (PFC) propellant and fluorescent "nanobullets" about a micron wide, and hit it with ultrasound.”

CEFR level