"cosmic string." YourDictionary, n.d. Web. 12 October 2018. <http://www.yourdictionary.com/cosmic-string>.
cosmic string. (n.d.). Retrieved October 12th, 2018, from http://www.yourdictionary.com/cosmic-string
Any of numerous very long and thin alterations or topological defects in space-time hypothesized to have resulted from the Big Bang and to have made possible the conglomeration of mass into large-scale structures such as galaxy clusters and the inhomogeneous distribution of matter in the universe.