1. super- a prefix occurring orig. in loanwords from Latin, with the basic meaning “above, beyond.” Words formed with super- have the followinggeneral senses: “to place or be placed above or over” (superimpose), “a thing placed over another” (superstructure), “situated over” (superficial) and, more figuratively, “an individual, thing, or property that exceeds customary norms or levels” (superconductivity; superman), “something larger, more powerful, or with wider application than others of its kind” (supercomputer; superhighway), “exceeding norms or limits” (superhuman), “having the specified property to a great or excessive degree” (supercritical; superfine), “to subject to (a physical process) to an extreme degree” (supercharge; supercool), “a category that embraces a number of lesser items of the specified kind” (superfamily), “a chemical compound with a higher proportion than usual of a given constituent” (superphosphate).
Etymology: (< L super (prep. and v. prefix) above, beyond, in addition, to an esp. high degree; akin to Gk hypér (see hyper -), Skt upari; see over)
Definition of 'Super-'
Webster Dictionary
1. Super- a prefix signifying above, over, beyond, and hence often denoting in a superior position, in excess, over and above, in addition, exceedingly; as in superimpose, supersede, supernatural, superabundance
2. Super- a prefix formerly much used to denote that the ingredient to the name of which it was prefixed was present in a large, or unusually large, proportion as compared with the other ingredients; as in calcium superphosphate. It has been superseded by per-, bi-, di-, acid, etc. (as peroxide, bicarbonate, disulphide, and acid sulphate), which retain the old meanings of super-, but with sharper definition. Cf. Acid, a., Bi-, Di-, and Per-
Definitions of Super- 
