ISEE/SSAT Vocabulary Builder›Words›V›vaccine
ISEE/SSATeasy
vaccine
a substance used to stimulate immunity against a disease
Synonyms
- inoculation
- immunization
- shot
vaccine in a sentence
The clinic offered a free vaccine to protect students against the flu this winter.
The scientist spent a decade developing a vaccine that finally stopped the outbreak among livestock.
Where it comes from
From Latin vacca 'cow' (early vaccines used cowpox)
Memory hook
VAC-cine: think of a vaccination shot at the clinic.
Read it in context
- Mosquitoes in the Marsh Science