What is "colloids"

Usage examples of "colloids".

Paul a whit behind when he succeeded in producing laboratory colloids exhibiting amoeba-like activities, and when he cast new light upon the processes of fertilization through his startling experiments with simple sodium chlorides and magnesium solutions on low forms of marine life.

But they do exchange quantities of complex colloids monthly, presumably sharing data.

I'm not contending that colloids are not the fabric of living tissuethey are.