INULIN n.
in the sap of the roots and rhizomes of many composite and other plants, as Inula, Helianthus, Campanula, etc., and is extracted by solution as a tasteless, white, semicrystalline substance, resembling starch, with which it is isomeric. It is intermediate in nature between starch and sugar. Called also dahlin, helenin…
ITCH n.
small parasitic mite (Sarcoptes scabei) which burrows and breeds beneath the human skin, thus causing the disease known as the itch. See Illust. in Append. -- Itch mite. (Zoöl.) Same as Itch insect, above. Also, other similar mites affecting the lower animals, as the horse and ox. -- Sugar baker's itch, a variety of…
JAPAN a.
of that country; as, Japan ware. Japan allspice (Bot.), a spiny shrub from Japan (Chimonanthus fragrans), related to the Carolina allspice. -- Japan black (Chem.), a quickly drying black lacquer or varnish, consisting essentially of asphaltum dissolved in naphtha or turpentine, and used for coating ironwork; -- called…
JERUSALEM n.
. See Gyre, Solar.] (Bot.) (a) An American plant, a perennial species of sunflower (Helianthus tuberosus), whose tubers are sometimes used as food. (b) One of the tubers themselves. -- Jerusalem cherry (Bot.), the popular name of either of either of two species of Solanum (S. Pseudo-capsicum and S. capsicastrum), cult…
JOINTING n.
The act or process of making a joint; also, the joints thus produced. Jointing machine, a planing machine for wood used in furniture and piano factories, etc. -- Jointing plane. See Jointer, 2. -- Jointing rule (Masonry), a long straight rule, used by bricklayers for securing straight joints and faces.…