neomycin
C2Technical / Medical / Scientific
Definition
Meaning
A type of antibiotic, belonging to the aminoglycoside class, primarily used to treat certain bacterial infections and to reduce gut bacteria before surgery.
A broad-spectrum antibiotic derived from the bacterium Streptomyces fradiae, commonly found in topical medications (e.g., creams, ointments, eye/ear drops) and oral preparations for bowel preparation. Its systemic use is limited due to potential toxicity, particularly ototoxicity and nephrotoxicity.
Linguistics
Semantic Notes
The term is used almost exclusively within medical and pharmaceutical contexts. It is often part of compound names for combination medications (e.g., 'neomycin and polymyxin B'). It has no metaphorical or colloquial uses.
Dialectal Variation
British vs American Usage
Differences
No significant lexical or usage differences exist. Spelling and medical application are identical.
Connotations
None beyond its technical medical meaning.
Frequency
Equal frequency in professional medical discourse in both regions. Virtually absent in everyday conversation.
Vocabulary
Collocations
Grammar
Valency Patterns
neomycin is used to treat [infection]neomycin is applied to [body part]The patient received neomycin for [purpose].Vocabulary
Synonyms
Neutral
Weak
Usage
Context Usage
Business
Used in pharmaceutical industry reports, drug listings, and regulatory documents.
Academic
Common in medical, pharmacological, and microbiological research papers and textbooks.
Everyday
Extremely rare; only used by patients or caregivers when discussing a specific prescribed medication.
Technical
The primary register. Used in clinical notes, prescriptions, medical guidelines, and pharmacology.
Examples
By Part of Speech
adjective
British English
- The neomycin component was effective.
- A neomycin-resistant strain emerged.
American English
- The neomycin formulation is topical.
- Neomycin sensitivity is a known issue.
Examples
By CEFR Level
- The doctor gave me an ointment with neomycin for my skin infection.
- Neomycin is often combined with other antibiotics in topical preparations to broaden its effectiveness.
- Due to its potential for ototoxicity, systemic administration of neomycin is now largely restricted to preoperative bowel decontamination.
Learning
Memory Aids
Mnemonic
Think: 'NEO' (new) + 'MYCIN' (like in antibiotic names such as streptomycin). A 'new-ish' type of -mycin antibiotic.
Conceptual Metaphor
N/A (Highly technical term with no conventional metaphorical mapping).
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Avoid confusing with 'мицин' as a standalone root; the term is a unified loanword.
- The correct Russian equivalent is 'неомицин' (neomitsin), a direct transliteration.
Common Mistakes
- Misspelling as 'neomyacin', 'neomycine'.
- Incorrect pronunciation with stress on 'neo' (e.g., /ˈniːoʊmaɪsɪn/). Correct stress is on 'myc' (/ˌnioʊˈmaɪsɪn/).
- Using it as a general term for any antibiotic.
Practice
Quiz
In which form is neomycin MOST commonly encountered by the general public?
FAQ
Frequently Asked Questions
No, neomycin is an aminoglycoside antibiotic, which is chemically and functionally distinct from penicillin (a beta-lactam antibiotic).
In many countries, topical preparations containing neomycin (like certain first-aid creams) are available over the counter, but oral or prescription-strength forms require a doctor's prescription.
A major risk, especially with prolonged use or on large wounds, is developing an allergic contact dermatitis. Systemic use carries risks of kidney damage and hearing loss.
The prefix 'neo-' means 'new'. It was named as a relatively new antibiotic discovered in the mid-20th century, derived from a new strain of Streptomyces.