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producing or containing gum; covered with gum or a substance resembling gum. Kindles the gummy bark of fir or pine. Milton. Then rubs his gummy eyes. Dryden. Gummy tumor (Med.), a gumma.

A disease of the eyelids, consisting in chronic inflammation of the margins, with a gummy secretion of sebaceous matter. Dunglison.

A gummy or mucilaginous tasteless substance obtained from the marigold or calendula, and analogous to bassorin.

A tenacious, elastic, gummy substance obtained from the milky sap of several plants of tropical South America (esp. the euphorbiaceous tree Siphonia elastica or Hevea caoutchouc), Asia, and Africa. Being impermeable to liquids and gases, and not readly affected by exposure to air, acids, and alkalies, it is used, espec…

A gummy mucilaginous substance; -- called also bassorin, tragacanthin, etc.

A cloth smeared with melted wax, or with some gummy or glutinous matter. Linen, besmeared with gums, in manner of cerecloth. Bacon.

The active principle of the water hemlock (Cicuta) extracted as a poisonous gummy substance.

in jalap (the root of a convolvulaceous plant), and extracted as a colorless, tasteless, gummy mass of powerful purgative properties.

Dewrotting; the process of decomposing the gummy matter of flax and hemp and setting the fibrous part, by exposure on a sward to dew, rain, and sunshine.

A translucent, gummy, amorphous substance, nearly tasteless and odorless, used as a substitute for gum, for sizing, etc., and obtained from starch by the action of heat, acids, or diastase. It is of somewhat variable composition, containing several carbohydrates which change easily to their respective varieties of suga…

An amorphous, gummy carbohydrate resembling gelose, found in the seeds of leguminous plants, and yielding on decomposition several sugars, including galactose.

An amorphous, gummy carbohydrate, found in Gelidium, agar-agar, and other seaweeds.

A copious gummy secretion of the humor of the eyelids, in consequence of some disorder; blearedness; lippitude.

organ of plants, usually minute and globular, which often secretes some kind of resinous, gummy, or aromatic product.

A gummy composition spread over the surface of a metal to be etched, to prevent the acid from eating except where an opening is made by the needle.

or having properties of, gum and resin; a resin containing more or less mucilaginous and gummy matter. -- Gum sandarac. See Sandarac. -- Gum Senegal, a gum similar to gum arabic, yielded by trees (Acacia Verek and A. Adansoniä) growing in the Senegal country, West Africa. -- Gum tragacanth. See Tragacanth. -- Gum…

The state or quality of being gummy; viscousness.

Gumlike, or composed of gum; gummy.

A red, gummy, coloring matter, extracted from the colorless juice of the Otaheite chestnut (Inocarpus edulis).

A gummy or gelatinous substance produced in certain plants by the action of water on the cell wall, as in the seeds of quinces, of flax, etc.