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One who, or that which, covers.

mething; one who discovers an unknown country, or a new principle, truth, or fact. The discoverers and searchers of the land. Sir W. Raleigh.

One who recovers.

America; the United States; -- a poetical appellation given in honor of Columbus, the discoverer. Dr. T. Dwight.

One who, or that which, decks or adorns; a coverer; as, a table decker.

The planet Uranus, so named by its discoverer, Sir W. Herschel.

Called also the Law of Dalton, from its discoverer. -- Multiple algebra, a branch of advanced mathematics that treats of operations upon units compounded of two or more unlike units. -- Multiple conjugation (Biol.), a coalescence of many cells (as where an indefinite number of amoeboid cells flow together into a sing…

ture of opaque objects are made, called radiographs, or sciagraphs. So called from the discoverer, W. C. Röntgen. -- X ray, the Röntgen ray; -- so called by its discoverer because of its enigmatical character, x being an algebraic symbol for an unknown quantity.

n photographic plates, and their fluorescent effects. They were called X rays by their discoverer, W. K. Röntgen. They also ionize gases, but cannot be reflected, or polarized, or deflected by a magnetic field. They are regarded as nonperiodic, transverse pulses in the ether. They are used in examining opaque objects,…

amily, which is found in Southern Chili. It was first used as a cure for scurvy by its discoverer, Captain John Winter, vice admiral to sir Francis Drake, in 1577.

The Röntgen rays; -- so called by their discoverer because of their enigmatical character.