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RNA

1 ENTRIES FOUND:
RNA /ˌɑɚˌɛnˈeɪ/ noun
RNA
/ˌɑɚˌɛnˈeɪ/
noun
Learner's definition of RNA
[noncount] technical
: a substance in the cells of plants and animals that helps make proteins核糖核酸(动植物细胞中帮助合成蛋白质的物质)
called also ribonucleic acid
compare dna
: any of various nucleic acids that contain ribose and uracil as structural components and are associated with the control of cellular chemical activities compare messenger rna, ribosomal rna, transfer rna

Word History

Etymology

ribonucleic acid

First Known Use

1942, in the meaning defined above

Time Traveler
The first known use of RNA was in 1942

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