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molecular biology

noun
1.
the branch of biology that deals with the nature of biological phenomena at the molecular level through the study of DNA and RNA, proteins, and other macromolecules involved in genetic information and cell function, characteristically making use of advanced tools and techniques of separation, manipulation, imaging, and analysis.
Also called new biology.
Origin
1935-1940
1935-40
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for molecular biology
  • That, in turn, paved the way for the subsequent boom in molecular biology and biotechnology.
  • The professor of molecular biology and genetics was at home, folding laundry.
  • Some teach evolutionary biology as though it only applies to molecular biology-completely ignoring macroevolution of species.
  • Evolutionary theory and molecular biology have transformed our understanding of life.
  • But he was also fascinated by biology, which led him to environmental engineering and molecular biology.
  • Theoretical physics and molecular biology are acquired tastes.
  • And generating stem cells is suddenly possible for anyone with a basic background in molecular biology.
  • The first experiment is a molecular biology version of brain imaging.
  • At that time, molecular biology was undergoing tremendous intellectual ferment.
  • He has been working with almost no funding and in isolation from the rest of the molecular biology community for decades now.
British Dictionary definitions for molecular biology

molecular biology

noun
1.
the study of biological phenomena at the molecular level
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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molecular biology in Medicine

molecular biology n.
The branch of biology that deals with the formation, structure, and activity of macromolecules essential to life, such as nucleic acids, and especially with their role in cell replication and the transmission of genetic information.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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molecular biology in Science
molecular biology
  (mə-lěk'yə-lər)   
The branch of biology that deals with the formation, structure, and function of macromolecules essential to life, such as nucleic acids and proteins, including their roles in cell replication and the transmission of genetic information.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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molecular biology in Culture
molecular biology [(muh-lek-yuh-luhr)]

The branch of science devoted to studies of the structure, function, and reactions of DNA, RNA, proteins, and other molecules involved in the life processes.

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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Difficulty index for molecular biology

Few English speakers likely know this word

Word Value for molecular

13
18
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