Definition and meaning of English word "vaccine"
vaccine
/vækˈsiːn/
Meaning
NounA substance given to stimulate a body's production of antibodies and provide immunity against a disease without causing the disease itself in the treatment, prepared from the agent that causes the disease (or a derivative of it; or a related, also effective, but safer disease), or a synthetic substitute; also, a dose of such a substance. The process of vaccination; immunization, inoculation.
How to use
The term 'vaccine' is commonly used in medical contexts to refer to a substance used to stimulate the production of antibodies and provide immunity against a disease. It is often used in the phrase 'to receive a vaccine' or 'to get vaccinated.' A common mistake is to use 'vaccinize' instead of 'vaccinate.'
🇬🇧 English
vaccine
Example
Scientists worked tirelessly to develop an effective vaccine against the new infection.
Your personal vocabulary
🦊 Use this word in a live AI conversationSynonyms
Common phrases
- get vaccinated— get vaccinated
- receive a vaccine— receive a vaccine
- vaccine development— vaccine development
More Science & Research words
This concept in other languages
Frequency rank: #1315 in English
Learn them all! 🚀
Master the 1000 most common English words with smart explanations, audio pronunciation, and spaced repetition.
Start Learning For Free →No sign-up required
Frequently Asked Questions
What does the English word "vaccine" mean?▼
The English word "vaccine" means "vaccine" in English.
How do you pronounce the English word "vaccine"?▼
You can hear the correct audio pronunciation of the word "vaccine" by clicking the play button next to the word at the top of this page.
Can I see an example sentence with "vaccine"?▼
Yes, here is a practical example: "Scientists worked tirelessly to develop an effective vaccine against the new infection." (which translates as "vaccine").
Related reading
Duolingo vs Anki vs Apps: Comparing Language Learning Methods in 2026
An honest comparison of popular language learning approaches: gamified apps, SRS flashcards, textbooks, tutors, and immersion. Pros, cons, and who each is best for.
Read →MethodWhat Is Spaced Repetition? The SM-2 Algorithm Explained Simply
Spaced repetition is the single most effective method for memorizing vocabulary. Learn how the forgetting curve works, how the SM-2 algorithm calculates review intervals, and why 20 minutes a day beats 2 hours of cramming.
Read →