gum


gum
1. The dried exuded sap from a number of trees and shrubs, forming an amorphous brittle mass; it usually forms a mucilaginous solution in water and is often used as a suspending agent in liquid preparations of insoluble drugs. [L. gummi] 2. gingiva. [A.S. goma, jaw] 3. Water-soluble glycans, often containing uronic acids, found in many plants.
- g. arabic SYN: acacia. SEE ALSO: arabin.
- Bassora g. a g. from Iran and Turkey, resembling tragacanth, acacia, and the gummy exudate of cherry and plum trees; used in making storax.
- g. benjamin, g. benzoin SYN: benzoin.
- British g. a form of dextrin.
- eucalyptus g. a dried gummy exudation from Eucalyptus rostrata and other species of Eucalyptus (family Myrtaceae); used as an astringent (in gargles and troches) and as an antidiarrheal agent. SYN: red g..
- ghatti g. SYN: Indian g..
- guaiac g. SYN: guaiac.
- guar g. the ground endosperms of Cyamopsis tetragonolobus; used in pharmaceutical jelly formulations.
- Indian g. an exudation from Anogeisus latifolia (family Combrettaceae); the mucilage is used as a substitute for acacia mucilage. SYN: ghatti g..
- karaya g. SYN: sterculia g..
- locust g. SYN: algaroba.
- g. opium SYN: opium.
- red g. SYN: eucalyptus g..
- senegal g. the g. of Acacia senegal. See acacia.
- starch g. SYN: dextrin.
- sterculia g. the dried gummy exudation from Sterculia urens, S. villosa, S. tragacantha, or other species of Sterculia, or from Cochlospermum gossypium or other species of Cochlospermum (family Bixaceae); used as a hydrophilic laxative and in the manufacture of lotions and pastes. SYN: karaya g..
- wheat g. SYN: gluten.
* * *
genitourinary medicine

* * *

gum 'gəm n the tissue that surrounds the necks of teeth and covers the alveolar parts of the jaws broadly the alveolar portion of a jaw with its enveloping soft tissues
gum vt, gummed; gum·ming to chew with the gums
gum n
1) any of numerous colloidal polysaccharide substances of plant origin that are gelatinous when moist but harden on drying and are salts of complex organic acids compare MUCILAGE
2) any of various plant exudates (as a mucilage, oleoresin, or gum resin)

* * *

n.

* * *

(gum) [L. gummi] 1. a mucilaginous excretion from various plants; on hydrolysis gums yield hexoses, pentoses, and uronic acids. 2. gingiva.

Medical dictionary. 2011.

Look at other dictionaries:

  • Gum — Gum, n. [OE. gomme, gumme, F. gomme, L. gummi and commis, fr. Gr. ?, prob. from an Egyptian form kam?; cf. It. {gomma}.] 1. A vegetable secretion of many trees or plants that hardens when it exudes, but is soluble in water; as, gum arabic; gum… …   The Collaborative International Dictionary of English

  • Gum — or GUM may refer to:Confectionary* Chewing gum * Functional chewing gum or Functional gum * Bubble gum * Wine gum * Gumdrop * Gum base * Gum industryNatural gums* Gum anima * Gum arabic * Cassia gum * Dammar gum * Gellan gum * Guar gum * Locust… …   Wikipedia

  • Gum — ist: nach ISO 3166 Länderkürzel und zugleich olympisches Länderkürzel für Guam Flughafen Antonio B. Won Pat auf Guam als IATA Code das Warenhaus GUM in Moskau die GUM Studios GmbH mit Schwerpunkt Computeranimation und Puppenspiel (Latex Figuren)… …   Deutsch Wikipedia

  • gum — gum1 [gum] n. [ME gomme < OFr < LL gumma < L gummi, cummi < Gr kommi < Egypt qmyt] 1. a sticky, colloidal carbohydrate found in certain trees and plants, which dries into an uncrystallized, brittle mass that dissolves or swells in… …   English World dictionary

  • Gum — Gum, v. t. [imp. & p. p. {Gummed} (g[u^]md); p. pr. & vb. n. {Gumming}.] 1. To smear with gum; to close with gum; to unite or stiffen by gum or a gumlike substance; to make sticky with a gumlike substance. [1913 Webster] He frets like a gummed… …   The Collaborative International Dictionary of English

  • gum up — Gum Gum, v. t. [imp. & p. p. {Gummed} (g[u^]md); p. pr. & vb. n. {Gumming}.] 1. To smear with gum; to close with gum; to unite or stiffen by gum or a gumlike substance; to make sticky with a gumlike substance. [1913 Webster] He frets like a… …   The Collaborative International Dictionary of English

  • GUM — ist: nach ISO 3166 Länderkürzel und zugleich olympisches Länderkürzel für Guam Flughafen Antonio B. Won Pat auf Guam als IATA Code das Warenhaus GUM in Moskau die GUM Studios GmbH mit Schwerpunkt Computeranimation und Puppenspiel (Latex Figuren)… …   Deutsch Wikipedia

  • Gum — Cette page d’homonymie répertorie les différents sujets et articles partageant un même nom. {{{image}}}   Sigles d une seule lettre   Sigles de deux lettres > Sigles de trois lettres …   Wikipédia en Français

  • gum|my — gum|my1 «GUHM ee», adjective, mi|er, mi|est. 1. sticky like gum; viscid. SYNONYM(S): viscous, mucilaginous. 2. covered with gum. 3. giving off gum: » …   Useful english dictionary

  • gum — Ⅰ. gum [1] ► NOUN 1) a thick sticky substance produced by some trees and shrubs. 2) glue used for sticking paper or other light materials together. 3) chewing gum or bubble gum. 4) a firm, jelly like sweet. ► VERB (gummed …   English terms dictionary

  • Gum — Gum, n. [OE. gome, AS. gama palate; akin Co G. gaumen, OHG. goumo, guomo, Icel. g?mr, Sw. gom; cf. Gr. ? to gape.] The dense tissues which invest the teeth, and cover the adjacent parts of the jaws. [1913 Webster] {Gum rash} (Med.), strophulus in …   The Collaborative International Dictionary of English