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cosmic string
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cosmology

cos·mol·o·gy [ koz mólləjee ]


noun 
Definition:
 
1. study of universe: the philosophical study of the nature of the universe

2. scientific study of universe: the scientific study of the origin and structure of the universe

[Mid-17th century. < modern Latin cosmologia< Greek kosmos "universe"]

cos·mo·log·ic [ kòzmə lójjik ] adjective
cos·mo·log·i·cal adjective
cos·mo·log·i·cal·ly adverb
cos·mol·o·gist noun
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