INDIGO n.
A blue dyestuff obtained from several plants belonging to very different genera and orders; as, the woad, Isatis tinctoria, Indigofera tinctoria, I. Anil, Nereum tinctorium, etc. It is a dark blue earthy substance, tasteless and odorless, with a copper-violet luster when rubbed. Indigo does not exist in the plants as s…
INFUSORIAL a.
Belonging to the Infusoria; composed of, or containing, Infusoria; as, infusorial earth. Infusorial earth (Geol.), a deposit of fine, usually white, siliceous material, composed mainly of the shells of the microscopic plants called diatoms. It is used in polishing powder, and in the manufacture of dynamite.…
JAY n.
Any one of the numerous species of birds belonging to Garrulus, Cyanocitta, and allied genera. They are allied to the crows, but are smaller, more graceful in form, often handsomely colored, and usually have a crest.
JEW n.
Originally, one belonging to the tribe or kingdom of Judah; after the return from the Babylonish captivity, any member of the new state; a Hebrew; an Israelite. Jew's frankincense, gum styrax, or benzoin. -- Jew's mallow (Bot.), an annual herb (Corchorus olitorius) cultivated in Syria and Egypt as a pot herb, and in I…