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ribonuclease

American

[rahy-boh-noo-klee-eys, -eyz, -nyoo-] / ˌraɪ boʊˈnu kliˌeɪs, -ˌeɪz, -ˈnyu- /

noun

Biochemistry.

any of the class of enzymes that catalyze the hydrolysis of RNA.

ribonuclease British

/ -ˌeɪz, ˌraɪbəʊˈnjuːkliːˌeɪs /

noun

any of a group of enzymes that catalyse the hydrolysis of RNA

"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

Etymology

Origin of ribonuclease

First recorded in 1940–45; ribonucle(ic acid) + -ase

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Two types of pancreatic nuclease are responsible for their digestion: deoxyribonuclease, which digests DNA, and ribonuclease, which digests RNA.

From Textbooks • Jun. 19, 2013

The enzyme T-sub-1 ribonuclease cuts an RNA strand at a particular bond on one side of each nucleotide that incorpo rates a guanine base.

From Scientific American • Jan. 1, 2013

For his model Dr. Hofmann selected ribonuclease, a much-studied natural enzyme that breaks down the ribonucleic acid found in all cells.

From Time Magazine Archive

After he had stuck 13 of the acids together, he joined his synthetic segment to the 104-acid remainder of natural ribonuclease.

From Time Magazine Archive

Harker, having collected a million dollars to solve the structure of the enzyme ribonuclease, was in search of talent, and the offer of six thousand for one year seemed to Odile wonderfully generous.

From "Double Helix" by James D. Watson

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023