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[koz-mol-uh-jee] /kɒzˈmɒl ə dʒi/
the branch of philosophy dealing with the origin and general structure of the universe, with its parts, elements, and laws, and especially with such of its characteristics as space, time, causality, and freedom.
the branch of astronomy that deals with the general structure and evolution of the universe.
1650-60; < New Latin cosmologia. See cosmo-, -logy
Related forms
cosmologer, cosmologist, noun
[koz-muh-loj-i-kuh l] /ˌkɒz məˈlɒdʒ ɪ kəl/ (Show IPA),
cosmologic, adjective
cosmologically, adverb Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for cosmological
  • In line with this type of objection, the cosmological argument entails a time when before the universe began.
  • And in the cosmological vision here, kids, children are not human beings because human life comes from mountains.
  • But sometimes those problems manifest themselves in striking ways when you look at them on a cosmological scale.
  • The notion of dark energy is peculiar, even by cosmological standards.
  • And the cosmological implications do not apply within a solar system.
  • Perhaps mankind might simply be extinguished before our grand cosmological opportunity comes to fruition.
  • cosmological experiments suggest dark matter really is out there.
  • Given an amplitude of density perturbations, there's an upper limit on the cosmological constant, so that structure can form.
  • Not everyone is pleased by this departure from the usual cosmological thinking.
  • So this kind of answer is about the cosmological non-contradiction of the second law, not its reason why.
British Dictionary definitions for cosmological


the philosophical study of the origin and nature of the universe
the branch of astronomy concerned with the evolution and structure of the universe
a particular account of the origin or structure of the universe: Ptolemaic cosmology
Derived Forms
cosmological (ˌkɒzməˈlɒdʒɪkəl), cosmologic, adjective
cosmologically, adverb
cosmologist, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for cosmological

1825, from cosmology + -ical.



1650s, from Modern Latin cosmologia, from Greek kosmos (see cosmos) + -logia "discourse" (see -logy). Related: Cosmological; cosmologist.

They cannot scare me with their empty spaces
Between stars--on stars where no human race is.
I have it in me so much nearer home
To scare myself with my own desert places.

[Robert Frost, from "Desert Places," 1936]

Online Etymology Dictionary, © 2010 Douglas Harper
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cosmological in Science
  1. The scientific study of the origin, evolution, and structure of the universe.

  2. A specific theory or model of the origin and evolution of the universe.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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cosmological in Culture
cosmology [(koz-mol-uh-jee)]

A system of beliefs that seeks to describe or explain the origin and structure of the universe. A cosmology attempts to establish an ordered, harmonious framework that integrates time, space, the planets, stars, and other celestial phenomena. In so-called primitive societies, cosmologies help explain the relationship of human beings to the rest of the universe and are therefore closely tied to religious beliefs and practices. In modern industrial societies, cosmologies seek to explain the universe through astronomy and mathematics. Metaphysics also plays a part in the formation of cosmologies. (See also under “Physical Sciences and Mathematics.”)

cosmology [(koz-mol-uh-jee)]

The branch of science dealing with the large-scale structure, origins, and development of the universe. (See astronomy and Big Bang theory.)

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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