ribonucleic acid: meaning, definition, pronunciation and examples
C2technical/scientific
Quick answer
What does “ribonucleic acid” mean?
A molecule present in all living cells, essential for coding, decoding, regulation, and expression of genes.
Audio
Pronunciation
Definition
Meaning and Definition
A molecule present in all living cells, essential for coding, decoding, regulation, and expression of genes.
A polymeric molecule, often single-stranded, composed of a sugar-phosphate backbone and nitrogenous bases, which plays various roles in protein synthesis and gene regulation.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning, spelling, or usage.
Connotations
Purely scientific; no regional connotations.
Frequency
Equally low-frequency, technical term in both varieties. The abbreviation 'RNA' is standard.
Grammar
How to Use “ribonucleic acid” in a Sentence
the N of ribonucleic acidribonucleic acid (which) VERBribonucleic acid is involved inVocabulary
Collocations
Examples
Examples of “ribonucleic acid” in a Sentence
adjective
British English
- The ribonucleic acid component was analysed.
- A ribonucleic acid sequence was identified.
American English
- The ribonucleic acid component was analyzed.
- A ribonucleic acid sequence was identified.
Usage
Meaning in Context
Business
Virtually unused, except in highly specialised biotechnology or pharmaceutical contexts.
Academic
The primary domain. Used in research papers, textbooks, and lectures in molecular biology, genetics, and biochemistry.
Everyday
Extremely rare. Only used in simplified explanations of genetics or health topics (e.g., some virus tests).
Technical
The standard register. Used precisely to distinguish between types of nucleic acids (e.g., mRNA, tRNA, rRNA).
Vocabulary
Synonyms of “ribonucleic acid”
Neutral
Weak
Vocabulary
Antonyms of “ribonucleic acid”
Watch out
Common Mistakes When Using “ribonucleic acid”
- Misspelling as 'ribonuclaic acid' or 'ribonucleaic acid'.
- Using it in non-scientific contexts where 'RNA' or a simpler term would suffice.
- Confusing it with its structural cousin, DNA (deoxyribonucleic acid).
FAQ
Frequently Asked Questions
No. They are both nucleic acids, but DNA (deoxyribonucleic acid) is double-stranded and stores genetic information long-term, while RNA (ribonucleic acid) is typically single-stranded and involved in protein synthesis and gene regulation.
In scientific discourse, efficiency is key. The abbreviation 'RNA' is universally understood and much quicker to say and write. The full term is mainly used for definitional clarity or in formal introductory contexts.
Yes, there are several major types with different functions, including messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA), among others.
In British English: /ˌraɪ.bəʊ.njuːˌkleɪ.ɪk ˈæs.ɪd/. In American English: /ˌraɪ.boʊ.nuːˌkleɪ.ɪk ˈæs.ɪd/. The main differences are in the 'o' in 'ribo' and the 'u' in 'nucleic'.
A molecule present in all living cells, essential for coding, decoding, regulation, and expression of genes.
Ribonucleic acid is usually technical/scientific in register.
Learning
Memory Aids
Mnemonic
RIB-O-NUCLEIC ACID: Think of a RIBbon carrying messages from the NUCLEus; it's the ACIDic molecule RNA.
Conceptual Metaphor
A MESSENGER, a BLUEPRINT READER, or a TEMPLATE. RNA is often described as carrying instructions or information.
Practice
Quiz
What is the most common abbreviation for 'ribonucleic acid'?