gradocol membrane

grad·​o·​col membrane
variants: or less commonly gradacol membrane \ ˈgradəˌkȯl-​ , -​käl-​ \

Definition of gradocol membrane

: a collodion membrane prepared from a solution of collodion in alcohol and ether in such a way as to have a predetermined average pore diameter and used especially in ultrafiltration (as of a virus suspension)

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History and Etymology for gradocol membrane

German gradokol, from grado- (from International Scientific Vocabulary grade) + kollodium collodion

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a usually brief trip or an expedition

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