Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of matrass is as below...

Digest :: Digest (v. t.) To soften by heat and moisture; to expose to a gentle heat in a boiler or matrass, as a preparation for chemical operations..

Bolthead :: Bolthead (n.) A long, straight-necked, glass vessel for chemical distillations; -- called also a matrass or receiver..

Matrass :: Matrass (n.) A round-bottomed glass flask having a long neck; a bolthead.

Cucurbite :: Cucurbite (n.) A vessel or flask for distillation, used with, or forming part of, an alembic; a matrass; -- originally in the shape of a gourd, with a wide mouth. See Alembic..

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