noun🔗ShareA flexible enclosing or separating tissue forming a plane or film and separating two environments (usually in a plant or animal)."The cell membrane controls what enters and leaves the cell. "physiologyanatomybiologyorganismplantanimalbodyChat with AIVocabulary GamePractice Reading
noun🔗ShareA mechanical, thin, flat flexible part that can deform or vibrate when excited by an external force."The loudspeaker's membrane vibrated with each sound, making the music audible. "materialpartphysicssciencetechnicaldevicemachinetechnologystructureChat with AIVocabulary GamePractice Reading
noun🔗ShareA flexible or semi-flexible covering or waterproofing whose primary function is to exclude water."The new waterproof tent's membrane kept the rain out, ensuring a dry camping trip. "materialbiologyphysiologyanatomyscienceChat with AIVocabulary GamePractice Reading
