Learn about the different airships that make up Goodyear's current Blimp fleet â including the new Wingfoot Two, Wingfoot One and the Spirit of Innovation.
Noun[edit] concertina â(plural concertinas) (music) A musical instrument, like the various accordions, that is a member of the free-reed family of musical instruments, typically having buttons on both ends.
concerta methylphenidate is a central nervous system stimulant it affects chemicals in the brain and nerves that contribute to hyperactivity and impulse control concerta extended release tablets are used to treat attention deficit disorder add attention deficit hyperactivity disorder adhd and narcolepsy concerta may also be used for purposes not listed in this medication guide