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astrochemistry

[as-troh-kem-uh-stree]
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noun
  1. a branch of astronomy and chemistry dealing with the chemical composition and evolution of the universe and its parts.
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Origin of astrochemistry

First recorded in 1970–75; astro- + chemistry
Related formsas·tro·chem·i·cal [as-troh-kem-i-kuh l] /ˌæs troʊˈkɛm ɪ kəl/, adjectiveas·tro·chem·i·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for astrochemistry

astrochemistry

noun
  1. the study of the chemistry of celestial bodies and space, esp by means of spectroscopy
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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