al·​gin | \ ˈal-jən How to pronounce algin (audio) \

Definition of algin

: any of various colloidal substances (such as an alginate or alginic acid) derived from marine brown algae and used especially as emulsifiers or thickeners

Examples of algin in a Sentence

Recent Examples on the Web At the time, local companies would cut the tops off kelp canopies and extracted algin, a chemical that was used for everything from controlling the foam in beer and making desserts moister. Gary Robbins,, "Walter Munk's 100th birthday stirs memories of Scripps golden era," 1 Sep. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'algin.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of algin

1883, in the meaning defined above

History and Etymology for algin

alga + -in entry 1

Keep scrolling for more

Learn More about algin

Statistics for algin

Cite this Entry

“Algin.” Dictionary, Merriam-Webster, Accessed 16 May. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

Keep scrolling for more

More Definitions for algin


al·​gin | \ ˈal-jən How to pronounce algin (audio) \

Medical Definition of algin

: any of various colloidal substances derived from marine brown algae and especially giant kelp: as
b : a soluble salt of alginic acid used especially as a stabilizing, emulsifying, or thickening agent in foods (as ice cream), pharmaceuticals, and cosmetics and as a base for dental-impression materials

called also sodium alginate

More from Merriam-Webster on algin Encyclopedia article about algin

Comments on algin

What made you want to look up algin? Please tell us where you read or heard it (including the quote, if possible).


Test Your Vocabulary

Words Used by Nabokov Quiz

  • image1676440788
  • Choose the best definition or synonym for the word in bold: "There are some eructations that sound like cheers—at least, mine did." Lolita
Spell It

Can you spell these 10 commonly misspelled words?

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!