IMPERIAL a.
Belonging to, or suitable to, supreme authority, or one who wields it; royal; sovereign; supreme. "The imperial democracy of Athens." Mitford. Who, as Ulysses says, opinion crowns With an imperial voice. Shak. To tame the proud, the fetter'd slave to free, These are imperial arts, and worthy thee. Dryden. He sounds his…
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…
INDUCTION n.
species, may, on the ground of analogy, be affirmed or received of the whole to which it belongs. This last is the inductive method of Bacon. It ascends from the parts to the whole, and forms, from the general analogy of nature, or special presumptions in the case, conclusions which have greater or less degrees of for…
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.…