"vaccine" Definition

Definitions for the word "vaccine" from multiple English dictionaries.

1. a.
Of or pertaining to cows; pertaining to, derived from, or caused by, vaccinia; as, vaccine virus; the vaccine disease.
Source: The 1913 Webster Unabridged Dictionary, 1913
2. n.
The virus of vaccinia used in vaccination.
Source: The 1913 Webster Unabridged Dictionary, 1913
3. n.
any preparation used to render an organism immune to some disease, by inducing or increasing the natural immunity mechanisms. Prior to 1995, such preparations usually contained killed organisms of the type for which immunity was desired, and sometimes used live organisms having attenuated virulence. since that date, preparations containing only specific antigenic portions of the pathogenic organism are also used, some of which are prepared by genetic engineering techniques.
Source: The 1913 Webster Unabridged Dictionary, 1913
4. n.
Preparation, orig. Cowpox virus, used in vaccination. [latin vacca cow]
Source: Oxford English Dictionary, 1884

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Additional Info
This page provides a list of definitions and meanings for "vaccine" from various historical English dictionaries. By displaying multiple definitions, you can compare and contrast different meanings and nuances of a word, phrase, or slang. You can also see the changes in meaning of "vaccine" over time by viewing the definitions from different dictionaries published at different times in history. The page also includes other information to help users expand their vocabulary and understand the context of the word.

Important Notes
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