alkylating agent: meaning, definition, pronunciation and examples
C1Technical/Scientific
Quick answer
What does “alkylating agent” mean?
A chemical compound that introduces an alkyl group into another molecule.
Audio
Pronunciation
Definition
Meaning and Definition
A chemical compound that introduces an alkyl group into another molecule.
A type of chemotherapeutic drug that works by damaging the DNA of cancer cells, preventing them from dividing and proliferating.
Dialectal Variation
British vs American Usage
Differences
No significant lexical differences; 'agent' is more common than 'drug' in formal scientific contexts in both varieties.
Connotations
Identical technical connotations. In medical contexts, it carries associations of potent therapy with potential side effects.
Frequency
Exclusively high-frequency within scientific and medical fields; extremely rare in general discourse.
Grammar
How to Use “alkylating agent” in a Sentence
[alkylating agent] + [verb: cross-links, damages, alkylates] + [direct object: DNA, molecule][patient] + [verb: is treated with, receives] + [alkylating agent]Vocabulary
Collocations
Examples
Examples of “alkylating agent” in a Sentence
verb
British English
- The compound alkylates the guanine base in DNA.
- Researchers aim to design molecules that alkylate more selectively.
American English
- This drug alkylates DNA at the N7 position of guanine.
- The metabolite alkylates target proteins as well.
adverb
British English
- [Rarely used as an adverb]
American English
- [Rarely used as an adverb]
adjective
British English
- The alkylating mechanism of action is well understood.
- They studied alkylating potency across a series of analogues.
American English
- Alkylating chemotherapy can cause long-term side effects.
- The alkylating property is due to its reactive electrophile.
Usage
Meaning in Context
Business
Rare, except in pharmaceutical company reports discussing drug portfolios.
Academic
Core term in medicinal chemistry, pharmacology, and oncology research papers.
Everyday
Virtually never used; a patient might say 'my chemo drug' instead.
Technical
Precise term for a class of drugs including cyclophosphamide, cisplatin, and chlorambucil.
Vocabulary
Synonyms of “alkylating agent”
Strong
Neutral
Weak
Vocabulary
Antonyms of “alkylating agent”
Watch out
Common Mistakes When Using “alkylating agent”
- Mispronunciation: 'al-kye-lay-ting' instead of 'al-kil-ay-ting'.
- Using 'alkylating' as a noun (e.g., 'an alkylating') instead of 'an alkylating agent'.
- Confusing with 'alkalizing agent' (which affects pH).
FAQ
Frequently Asked Questions
No, while many are chemotherapeutic drugs, alkylating agents are also used in chemical research, industry, and some non-cancer treatments (e.g., some immunosuppressants).
They are not perfectly selective; they can also alkylate the DNA of healthy, fast-dividing cells (like in bone marrow or the gut lining), causing toxicity.
It refers to the transfer of an alkyl group (a saturated hydrocarbon chain, e.g., -CH3) from one molecule to a nucleophilic site (like on DNA).
No, alkylating agents are one important class of chemotherapy drugs, but chemotherapy includes many other classes like antimetabolites, plant alkaloids, and antitumor antibiotics.
A chemical compound that introduces an alkyl group into another molecule.
Alkylating agent is usually technical/scientific in register.
Alkylating agent: in British English it is pronounced /ˈæl.kɪ.leɪ.tɪŋ ˈeɪ.dʒənt/, and in American English it is pronounced /ˈæl.kɪ.leɪ.tɪŋ ˈeɪ.dʒənt/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “[none specific to this term]”
Learning
Memory Aids
Mnemonic
Think 'AL-KY-LATING' as 'attacking a key' (the DNA) and locking it up so the cancer cell can't use it.
Conceptual Metaphor
DNA as a blueprint; an alkylating agent as a vandal who glues the pages together, making it unreadable.
Practice
Quiz
What is the primary cellular target of most alkylating agents used in chemotherapy?