say it: MEM-bruh-nuhs
membranous is an adjective meaning "relating to or made of or similar to a membrane". It carries 2 recorded senses.
relating to or made of or similar to a membrane
“membranous lining”
characterized by formation of a membrane (or something resembling a membrane)
“membranous gastritis”
Definitions, synonyms and semantic relations for membranous come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.