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Superfund (sometimes l.c.) a U.S. government fund reserved for the cleanup or eradication of dangerous toxic waste dumps.
supergiant a star at least one hundred times the diameter of the sun and very much brighter, such as Betelgeuse.
supergovernment combined form of government.
supergrowth combined form of growth.
superheat to heat (a liquid) to a temperature above its boiling point without causing vaporization. [3 definitions]
superheavy combined form of heavy.
superheroine combined form of heroine.
superheterodyne of, pertaining to, or using a method of radio reception in which the incoming signal is transformed into an intermediate frequency which helps with amplification of the signal and eliminates unwanted signals. [2 definitions]
superhigh frequency any radio frequency between 3,000 and 30,000 megahertz.
superhighway a large, multi-laned, usu. divided roadway designed for cars traveling at high speeds; expressway; freeway; turnpike.
superhot combined form of hot.
superhuman having a nature or possessing powers beyond what humans have; divine. [2 definitions]
superimpose to set or lay on top of or above something.
superincumbent lying or resting on top of something else. [3 definitions]
superinduce to bring in or introduce as an addition, added circumstance, or the like; superimpose.
superinsulated combined form of insulated.
superintellectual combined form of intellectual.
superintelligence combined form of intelligence.
superintelligent combined form of intelligent.
superintend to supervise the execution of (a job, procedure, or the like). [2 definitions]
superintendency the office or work of a superintendent. [2 definitions]