alginic acid
noun
al·gin·ic acid (ˌ)al-ˈji-nik- 
: an insoluble colloidal acid (C6H8O6)n that in the form of its salts is a constituent of the cell walls of brown algae
Word History
Etymology
International Scientific Vocabulary algin + -ic entry 1
First Known Use
1884, in the meaning defined above
Medical Definition
alginic acid
noun
al·gin·ic acid (ˌ)al-ˌjin-ik-
: an insoluble colloidal acid (C6H8O6)n that is obtained from brown seaweeds and is used medically especially to relieve the symptoms (such as burning and erosion) of excess stomach acid