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erform, the duties required by one who has the right to claim submission, obedience, or deference; submissive to natural or legal superiors; obedient, as to parents or superiors; as, a dutiful son or daughter; a dutiful ward or servant; a dutiful subject.

The sense of hearing; the perception of sounds; the power of discriminating between different tones; as, a nice ear for music; -- in the singular only. Songs . . . not all ungrateful to thine ear. Tennyson.

A graduated scale for measuring the duration of sounds, and determining their different, and the relation of their intervals. J. J. Rousseau.

nsciousness, etc.; obscuration; gloom; darkness. All the posterity of our fist parents suffered a perpetual eclipse of spiritual life. Sir W. Raleigh. As in the soft and sweet eclipse, When soul meets soul on lovers' lips. Shelley. Annular eclipse. (Astron.) See under Annular. -- Cycle of eclipses. See under Cycle.…

of granular red garnet, light green smaragdite, and common hornblende; -- so called in reference to its beauty.

An instrument for copying drawings on the same or a different scale; a form of the pantograph.

To slip or glide away; to pass away silently, as time; -- used chiefly in reference to time. Eight days elapsed; at length a pilgrim came. Hoole.

Chosen; taken by preference from among two or more. "Colors quaint elect." Spenser.

Discriminating choice; discernment. [Obs.] To use men with much difference and election is good. Bacon.

g substances, or passing by means of conductors from one body to another which is in a different electrical state. -- Electric, or Electrical, eel (Zoöl.), a South American eel-like fresh-water fish of the genus Gymnotus (G. electricus), from two to five feet in length, capable of giving a violent electric shock. See…

to express the degree of electrification as equivalent to potential, or more properly difference of potential.

ic current upon the temperature of a conductor, or a part of a circuit composed of two different metals.

any kind of matter. Specifically: (Chem.) A substance which cannot be decomposed into different kinds of matter by any means at present employed; as, the elements of water are oxygen and hydrogen.

nery in a hotel, warehouse, mine, etc., for conveying persons, goods, etc., to or from different floors or levels; -- called in England a lift; the cage or platform itself.

A measure for cloth; -- now rarely used. It is of different lengths in different countries; the English ell being 45 inches, the Dutch or Flemish ell 27, the Scotch about 37.

ation of an ellipse or a spheroid from the form of a circle or a sphere; especially, in reference to the figure of the earth, the difference between the equatorial and polar semidiameters, divided by the equatorial; thus, the ellipticity of the earth is

Otherwise; in the other, or the contrary, case; if the facts were different. For thou desirest not sacrifice; else would I give it. Ps. li. 16.

d by a specific exciting cause and manifested by some sensible effect on the body. How different the emotions between departure and return! W. Irving. Some vague emotion of delight. Tennyson.

Having to do with inlaid work; -- especially used with reference to work of the ancient Greeks.

nglish words, chiefly those borrowed from the French. Some English words are written indifferently with en- or in-. For ease of pronunciation it is commonly changed to em- before p, b, and m, as in employ, embody, emmew. It is sometimes used to give a causal force, as in enable, enfeeble, to cause to be, or to make, ab…