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surveillance a close watch or observation, esp. of a person or group of people under suspicion.
surveillant carrying out a surveillance; observing carefully. [2 definitions]
survey the act of determining the shape, area, and elevation of a piece of land. [9 definitions]
surveying the act, profession, or scientific study of making land surveys.
surveyor a person engaged in surveying as a profession.
surveyor's level an instrument for measuring elevation, consisting of a tripod on which are mounted a horizontally revolving telescope and a spirit level.
surveyor's measure a system of measurement of length based on the surveyor's chain, equal to sixty-six feet or 20.1 meters, as a unit.
survival the act of surviving, or the fact of having survived. [2 definitions]
survivalist one who believes that a disaster such as nuclear war or social upheaval is likely to occur and who attempts to ensure his or her survival by building shelter in a remote area, hoarding food and supplies, and the like.
survival of the fittest in biology, the evolutionary principle that only the forms of plants or animals best suited to or most easily able to adapt to existing conditions will survive, while other less suited forms will become extinct. (See natural selection.)
survive to continue to live despite serious immediate threat to one's life. [5 definitions]
survivor someone or something that survives. [2 definitions]
survivorship the state or condition of being a survivor. [2 definitions]
sus- under.
susceptibility the condition or trait of being susceptible. [3 definitions]
susceptible easily influenced or impressed (usu. fol. by to). [4 definitions]
susceptive open or receptive. [2 definitions]
sushi a Japanese dish consisting of cold rice wrapped, esp. in seaweed, around raw fish or vegetables.
suspect to believe to be true. [6 definitions]
suspend to hang (something) from a higher position. [7 definitions]
suspended animation a state in which life functions are temporarily suspended, esp. for resumption under more favorable conditions.