membrane vs diaphragm

diaphragm vs membrane

membrane and diaphragm both are nouns.

Word	Noun	Adjective	Verb	Adverb
membrane	Yes	No	No	No
diaphragm	Yes	No	No	No

As nouns, diaphragm is a hyponym of membrane; that is, diaphragm is a word with a more specific, narrower meaning than membrane:

membrane: a pliable sheet of tissue that covers or lines or connects the organs or cells of animals or plants
diaphragm: (anatomy) a muscular partition separating the abdominal and thoracic cavities; functions in respiration

Other hyponyms of membrane include trophoblast, chorioallantoic membrane, chorioallantois, web, Bowman's capsule, capsula glomeruli, glomerular capsule, axolemma, basilar membrane, fetal membrane, choroid, choroid coat, ciliary body, cornea, midriff, eardrum, myringa, tympanic membrane, tympanum, endocranium, endosteum, ependyma, fertilization membrane, hyaloid, hyaloid membrane, intima, iris, lamella, meninges, meninx, mucosa, mucous membrane, periosteum, perithelium, retina, sarcolemma, semipermeable membrane, serosa, serous membrane, synovial membrane, synovium, adventitia, tunic, tunica.

membrane (noun)	diaphragm (noun)
a thin pliable sheet of material	a mechanical device in a camera that controls size of aperture of the lens
a pliable sheet of tissue that covers or lines or connects the organs or cells of animals or plants	electro-acoustic transducer that vibrates to receive or produce sound waves
	a contraceptive device consisting of a flexible dome-shaped cup made of rubber or plastic; it is filled with spermicide and fitted over the uterine cervix
	(anatomy) a muscular partition separating the abdominal and thoracic cavities; functions in respiration

Difference between membrane and diaphragm

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