IMPERFECT a.
fifth and forth. -- Imperfect flower (Bot.), a flower wanting either stamens or pistils. Gray. -- Imperfect interval (Mus.), one a semitone less than perfect; as, an imperfect fifth. -- Imperfect number (Math.), a number either greater or less than the sum of its several divisors; in the former case, it is called al…
INDETERMINATE a.
efinitely; -- called also acropetal, botryose, centripetal, and indefinite inflorescence. Gray. -- Indeterminate problem (Math.), a problem which admits of an infinite number of solutions, or one in which there are fewer imposed conditions than there are unknown or required results. -- Indeterminate quantity (Math.),…
INDIAN n.
s (Chrysopogon nutans), common in the southern portions of the United States; wood grass. Gray. -- Indian hemp. (Bot.) (a) A plant of the genus Apocynum (A. cannabinum), having a milky juice, and a tough, fibrous bark, whence the name. The root it used in medicine and is both emetic and cathartic in properties. (b) Th…
INDIUM n.
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 weight, 113.4.
INNATE a.
Joined by the base to the very tip of a filament; as, an innate anther. Gray. Innate ideas (Metaph.), ideas, as of God, immortality, right and wrong, supposed by some to be inherent in the mind, as a priori principles of knowledge.