Noun
a substance that forms a gel with water
Source: WordNetGelatin desserts like jelly or Jell-O are made from gelatin powder, another effective hydrocolloid. Source: Internet
A hydrocolloid has colloid particles spread throughout water, and depending on the quantity of water available that can take place in different states, e.g., gel or sol (liquid). Source: Internet
The hydrocolloid circles cling to skin no matter where you end up wearing them. Source: Internet
The morning hydrocolloid class runs from 10:00am-12:30pm and the afternoon Activa class is from 1:30-4:00 pm. Source: Internet