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A rare metallic element, discovered in certain ores of zinc, by means of its characteristic spectrum of two indigo blue lines; hence, its name. In appearance it resembles zinc, being white or lead gray, soft, malleable and easily fusible, but in its chemical relation it resembles aluminium or gallium. Symbol In. Atomic…

ineffectualness; futility; uselessness; fruitlessness; as, the inefficacy of medicines or means. The seeming inefficacy of censures. Bp. Hall. The inefficacy was soon proved, like that of many similar medicines. James Gregory.

t efficient; not producing the effect intended or desired; inefficacious; as, inefficient means or measures.

An irregularity, or a deviation, in the motion of a planet or satellite from its uniform mean motion; the amount of such deviation.

Without expression or meaning; not expressive; dull; unintelligent; as, an inexpressive countenance.

eness in forming new combinations; ingeniousness; skill in devising or combining. All the means which human ingenuity has contrived. Blair.

Power or liberty of entrance or access; means of entering; as, all ingress was prohibited.

in; -- applied particularly to the forcible throwing in of a liquid, or aëriform body, by means of a syringe, pump, etc.

To seek to learn anything by recourse to the proper means of knoledge; to make examination. And inquire Gladly into the ways of God with man. Miltom.

Like an insect; small; mean; ephemeral.

ding those that have one pair of antennæ, three pairs of mouth organs, and breathe air by means of tracheæ, opening by spiracles along the sides of the body. In this sense it includes the Hexapoda, or six-legged insects and the Myriapoda, with numerous legs. See Insect, n.

Not sensible or reasonable; meaningless. [Obs.] If it make the indictment be insensible or uncertain, it shall be quashed. Sir M. Hale.

The condition or quality of being insignificant; want of significance, sense, or meaning; as, the insignificance of words or phrases.

Not significant; void of signification, sense, or import; meaningless; as, insignificant words.

Not expressing meaning; not significant.

To hint; to suggest by remote allusion; -- often used derogatorily; as, did you mean to insinuate anything

The act of gaining favor, affection, or influence, by gentle or artful means; -- formerly used in a good sense, as of friendly influence or interposition. Sir H. Wotton. I hope through the insinuation of Lord Scarborough to keep them here till further orders. Lady Cowper.

To catch in a snare; to entrap; to take by artificial means. "Insnare a gudgeon." Fenton.

That by means of which any work is performed, or result is effected; a tool; a utensil; an implement; as, the instruments of a mechanic; astronomical instruments. All the lofty instruments of war. Shak.

Acting as an instrument; serving as a means; contributing to promote; conductive; helpful; serviceable; as, he was instrumental in conducting the business. The head is not more native to the heart, The hand more instrumental to the mouth. Shak.