Agglutinoid refers to a substance or an agent that causes the clumping or agglutination of cells or particles. Other synonyms for agglutinoid include agglutinating, agglutinative, clumping, adhesiveness, and cohesion. Additionally, terms such as clotty and sticky can also be used in a figurative sense to describe a material that is tending to adhere or join together. In scientific and medical contexts, agglutinoid is typically used to describe the properties or effects of certain chemicals or antibodies. However, in everyday language, synonyms for agglutinoid can also be used to refer to other forms of adhesion or cohesion, such as in materials science or engineering.