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HOW TO PRONOUNCE

vaccine

/ˌvækˈsin/

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American Pronunciation Guide · 1:05
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Put the main stress on “seen.”

The double c spelling represents a k followed by s, leading into the stronger long ee vowel.

2 syllables · Stress on syllable 2

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The leaflet explains how the vaccine is stored.

APG practice sentence · CC BY-SA 4.0

CMU Pronouncing Dictionary

What does vaccine mean?

noun

  1. A 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.
  2. The process of vaccination; immunization, inoculation.
  3. (figuratively) Something defensive or protective in nature, like a vaccine (sense 1.1).
More meanings (7)

noun

  1. (figuratively) A software program which protects computers against, or detects and neutralizes, computer viruses and other types of malware; an antivirus.
  2. (historical) The material taken from cowpox pustules used for vaccination against smallpox.
  3. (obsolete) The disease cowpox, especially as a source of material for vaccination against smallpox.

adjective

  1. (historical) Of, pertaining to, caused by, or characteristic of cowpox.
  2. (historical) Of or pertaining to cowpox as a source of material for vaccination against smallpox; also, of or pertaining to such material used for vaccination.
  3. (archaic) Of, pertaining to, or derived from cattle.

verb

  1. (archaic) Synonym of vaccinate (“to treat (a person or an animal) with a vaccine to produce immunity against a disease”).

Definitions regrouped for readability · CC BY-SA 4.0

IPA pronunciation

/ˌvækˈsin/

Pronunciation used in the listening tip.

CMU Pronouncing Dictionary

Other dictionary pronunciations

/vækˈsin//ˈvækˌsin/
Wiktionary contributors · CC BY-SA 4.0

Pronunciation varies by speaker and region. About these dictionary pronunciations.

In the pages of books

See this word in context.

"It is essential that the vaccine bud or germ have a congenial soil, uncontaminated by another poison, which, like a weed, might choke its healthy growth."--Dendy.
Pye Henry ChavasseAdvice to a Mother on the Management of Her ChildrenProject Gutenberg ebook #6595
In variola and the vaccine disease the poison is determined to the skin, in glanders to the Schneiderian membrane, and in farcy to the superficial absorbents.
William YouattThe DogProject Gutenberg ebook #9478
More book examples (2)
Cuvier has said, “If vaccine were the only discovery of the epoch, it would serve to render it illustrious for ever; yet it knocked twenty times in vain at the doors of the Academies.”
Samuel SmilesSelf Help; with Illustrations of Conduct and PerseveranceProject Gutenberg ebook #935
Two of the outbreaks of foot-and-mouth disease in the United States originated from an infected vaccine used for the inoculation of vaccine heifers.
Robert Alexander CraigCommon Diseases of Farm AnimalsProject Gutenberg ebook #8502