1) Mart 1) New Zealand indie rock group 2) Radio electronic 
A Superette, is a compact food market `convenience store` or `mini-mart`. The term is most commonly used in the North Island of New Zealand, but also to a lesser extent in Northern New England, Newfoundland and Labrador, and elsewhere as an alternative name for a `convenience store` or `mini-mart.` ...[radio] In 1931 RCA introduced a new line of Superette radio receivers. These used the superheterodyne principle but were lower cost than earlier products,in an attempt to maintain sales during the onset of the Great Depression. == Background == Edwin Howard Armstrong invented the superheterodyne receiver in 1918. Armstrong and RCA (under D...
a grocery store with some of the self-service features of a supermarket.