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hy·poth·e·sis

hypothesis

 
 
pronunciation:
haI pa th sihs
features:
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part of speech: noun
inflections: hypotheses
definition: a prediction or educated guess that can be tested and can be used to guide further study.
This chapter explains scientists' new hypothesis about the birth of stars.
similar words:
theory
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derivation: hypothesist (n.)
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  science
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