O OneWordDaily
AI-generated image
Word of the Day Tuesday, June 9, 2026

antibody

/ænˈtɪbaɪ/ noun · British & US
Valid in UKValid in US
Share WhatsApp

What does antibody mean?

noun

A protein produced by the immune system in response to the presence of a foreign substance, such as a virus or bacteria, that it recognizes as harmful.

Example

"The doctor ordered a blood test to check for antibodies to the flu virus."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for antibody

Rhymes with antibody

Etymologically related