Definitions for Agarˈɑ gɑr, ˈæg ər

This page provides all possible meanings and translations of the word Agar

Princeton's WordNet

  1. agar, nutrient agar(noun)

    any culture medium that uses agar as the gelling agent

  2. agar, agar-agar(noun)

    a colloidal extract of algae; used especially in culture media and as a gelling agent in foods

GCIDE

  1. agar(n.)

    common shortened form of agar-agar.

  2. agar(n.)

    1 any culture medium that uses agar as the gelling agent; -- used especially with a modifying prefix, as, EMB agar. The term is applied both to the dehydrated medium powder containing agar and to the gelatinous medium prepared from it.

  3. Origin: [See agar-agar.]

Wiktionary

  1. agar(Noun)

    A gelatinous material obtained from the marine algae, used as a bacterial culture medium, in electrophoresis and as a food additive.

  2. agar(Noun)

    An agarose, the principle constituent of the commercial gel.

  3. Origin: From agar-agar meaning jelly.

Freebase

  1. Agar

    Agar or agar-agar is a gelatinous substance derived by boiling a polysaccharide in red algae, where it accumulates in the cell walls of agarophyte and serves as the primary structural support for the algae's cell walls. Agar is a mixture of two components: the linear polysaccharide agarose, and a heterogeneous mixture of smaller molecules called agaropectin. Throughout history into modern times, agar has been chiefly used as an ingredient in desserts throughout Asia and also as a solid substrate to contain culture medium for microbiological work. Agar can be used as a laxative, an appetite suppressant, vegetarian gelatin substitute, a thickener for soups, in fruit preserves, ice cream, and other desserts, as a clarifying agent in brewing, and for sizing paper and fabrics. The gelling agent is an unbranched polysaccharide obtained from the cell walls of some species of red algae, primarily from the genera Gelidium and Gracilaria. For commercial purposes, it is derived primarily from Gelidium amansii. In chemical terms, agar is a polymer made up of subunits of the sugar galactose.

U.S. National Library of Medicine

  1. Agar

    A complex sulfated polymer of galactose units, extracted from Gelidium cartilagineum, Gracilaria confervoides, and related red algae. It is used as a gel in the preparation of solid culture media for microorganisms, as a bulk laxative, in making emulsions, and as a supporting medium for immunodiffusion and immunoelectrophoresis.

Anagrams of Agar »

  1. Agra, raga


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