n. the chemical symbol for erbium, a rare earth element. It has atomic number 68 and an atomic weight of 167.26.
Syn. -- erbium. [ WordNet 1.5 +PJC ]

n.; pl. Eras [ LL. aera an era, in earlier usage, the items of an account, counters, pl. of aes, aeris, brass, money. See Ore. ] 1. A fixed point of time, usually an epoch, from which a series of years is reckoned. [ 1913 Webster ]

The foundation of Solomon's temple is conjectured by Ideler to have been an era. R. S. Poole. [ 1913 Webster ]

2. A period of time reckoned from some particular date or epoch; a succession of years dating from some important event; as, the era of Alexander; the era of Christ, or the Christian era (see under Christian). [ 1913 Webster ]

The first century of our era. M. Arnold. [ 1913 Webster ]

3. A period of time in which a new order of things prevails; a signal stage of history; an epoch. [ 1913 Webster ]

Painting may truly be said to have opened the new era of culture. J. A. Symonds.

Syn. -- Epoch; time; date; period; age; dispensation. See Epoch. [ 1913 Webster ]

v. i. [ imp. & p. p. Eradiated p. pr. & vb. n. Eradiating ] [ Pref. e- + radiate. ] To shoot forth, as rays of light; to beam; to radiate. Dr. H. More. [ 1913 Webster ]

n. Emission of radiance. [ 1913 Webster ]

a. Capable of being eradicated. [ 1913 Webster ]

v. t. [ imp. & p. p. Eradicated p. pr. & vb. n. Eradicating ] [ L. eradicatus, p. p. of eradicare to eradicate; e out + radix, radicis, root. See Radical. ] 1. To pluck up by the roots; to root up; as, an oak tree eradicated. [ 1913 Webster ]

2. To root out; to destroy utterly; to extirpate; as, to eradicate diseases, or errors. [ 1913 Webster ]

This, although now an old an inveterate evil, might be eradicated by vigorous treatment. Southey.

Syn. -- To extirpate; root out; exterminate; destroy; annihilate. [ 1913 Webster ]

n. [ L. eradicatio: cf. F. éradication. ] 1. The act of plucking up by the roots; a rooting out; extirpation; utter destruction. [ 1913 Webster ]

2. The state of being plucked up by the roots. [ 1913 Webster ]

a. [ Cf. éradicatif. ] Tending or serving to eradicate; curing or destroying thoroughly, as a disease or any evil. [ 1913 Webster ]

n. (Med.) A medicine that effects a radical cure. Whitlock. [ 1913 Webster ]

n. a genus of annual or perennial grasses of tropics and subtropics.
Syn. -- genus Eragrostis. [ WordNet 1.5 ]