identical to Seggar
- a container that holds a magnetic tape used for recording or playing sound or movie
A pre-existing structure into which an insert are moved. In molecular biology, a gene transformation process in which the old gene is changed with a duplicate of a silent gene as well as the brand new backup becomes energetic. As the procedure involves replacing one ready made build with another in a working slot, it is termed a cassette mechanism.
1793, "little box," from French cassette, from Middle French casset, diminutive of Old North French casse "box" (see instance (n.2)). Indicating "magnetic tape recorder cartridge" is from 1960.