A vegetable secretion of many trees or plants that hardens when it exudes, but is soluble in water; as, gum arabic; gum tragacanth; the gum of the cherry tree. Also, with less propriety, exudations that are not soluble in water; as, gum copal and gum sandarac, which are really resins.
See Gum tree, below.
A hive made of a section of a hollow gum tree; hence, any roughly made hive; also, a vessel or bin made of a hollow log.
A rubber overshoe.
To exude or form gum; to become gummy.
Class of colloidal substances that is exuded by plants.
Complex polysaccharidal substances formed by cells in reaction to wounding or infection.
gelatinous, sugary aggregate that is synthesized and exuded by plant tissues
any hydrophilic plant polysaccharides or their derivatives that, when dispersed in water, swell to produce a viscous dispersion or solution. Unlike resins, they are soluble in water and insoluble in alcohol.
a complex polysaccharide of variable composition, swelling in water to form a gel or a viscous solution. Gum, Wound gum produced in the wood of hardwoods and some conifers in response to injury, infection or other `irritation`. See gummosis.
any of various substances (soluble in water) that exude from certain plants; they are gelatinous when moist but harden on drying
wood or lumber from any of various gum trees especially the sweet gum
any of various trees of the genera Eucalyptus or Liquidambar or Nyssa that are sources of gum
exude or form gum; "these trees gum in the Spring"
A rubber like, sticky deposit black or dark brown in color resulting from the oxidation of lubricating oils from unstable constituents in gasoline which deposit during storage or use.
A hollow log beehive, sometimes called a log-gum (Appalachia), made by cutting out that portion of a tree containing bees and moving it to the apiary; since it contains no moveable frames, it is therefore illegal. HAY FEVER: An allergic condition that afflicts many people; caused by various plant particles, airborne fungal spores or pollen.
A water soluble exudate consisting mainly of polysaccharides and used principally as a thickener and as a spray-dried carrier in the manufacture of water soluble fragrance and flavor compounds (Gum Arabic, Agar, etc.)
A sticky substance beneath the coal seam that had to be removed before the coal could be extracted.
Sticky substance obtained from certain shrubs or trees that are the normal medium of watercolor paints, pastels, and tempera. Gum Arabic, from a species of acacia, is most commonly used.
Any of various viscous substances exuded by plants and trees that dries on exposure to air into water-soluble, non-crystalline, brittle solids.
Parent Term: Slash_exudate Synonyms: Gummy exudate Show examples
A term covering a wide range of substances. Strictly, gums are carbohydrate high polymers, either soluble or dispersible in water, that are derived from vegetable origins. Loosely, the term gum is used to mean resins, saps, natural rubber, chicle, starch, cellulose derivatives, and many other products. In textile printing, the term refers to print past thickeners.
The resinous material exuded by trees or plants. Strictly speaking a gum is water-soluble, but this term is widely used in the varnish industry to designate those natural resins usually not water-soluble that are obtained from trees.
arabic water-soluble gum obtained from several varieties of acacia and used in textile finishing and in inks, confectionery, pharmacy, and the manufacture of adhesives. hartani (pl., harratin) term referring to freed former slaves. In Arabic, literally "plowman," referring to the low status of harratin.
A plant substance soluble in water.
Any one of a class of colloidal substance exuded by, or extracted from, gum plants.
Sticky, viscous, carbohydrate found in liquid form in plants and certain trees, which dries into an uncrystallized, brittle mass that dissolves or swells in water.
Gum is a sticky substance that is secreted by some plants. Gum hardens when it dries.
A nonvolatile viscous plant exudate which either dissolves or swells up in contact with water; many substances referred to as gums, such as pine and spruce gum, are actually oleoresins; used in making varnishes and paints.
A natural gum, such as gum Arabic or gum tragacanth, used as a binder in glaze to promote better adherence to clay.
The sticky material secreted by some trees