noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A substance that causes particles or cells to clump; it may be an antibody, a lectin, or otherwise. countable, uncountable
2. 2
   an antibody that causes agglutination of a specific antigen wordnet
3. 3
   A protein found in cow's milk. countable, specifically, uncountable

Synonyms

All synonyms

allergenantibodyantigenantitoxinrh factorserum

Etymology

From agglutinate + -in.

Related phrases

cold agglutinin disease

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.