ETYMOLOGY, et-i-mol'o-ji, _n._ the investigation of the derivation and
original signification of words: the science that treats of the origin and
history of words: the part of grammar relating to inflection.--_adjs._
ETYM'IC; ETYMOLOG'ICAL.--_adv._ ETYMOLOG'ICALLY.--_ns._ ETYMOLOG'ICON,
-CUM, an etymological dictionary.--_v.t._ ETYMOL'OGISE, to give, or search
into, the etymology of a word.--_ns._ ETYMOL'OGIST, one skilled in or who
writes on etymology; ET'YMON, the origin of a word: an original root: the
genuine or literal sense of a word. [O. Fr.,--L.,--Gr. _etymos_, true,
_logia_, an account.]
ETYPIC, -AL, [=e]-tip'ik, -al, _adj._ unconformable to type.
EUCALYPTUS, [=u]-kal-ip'tus, _n._ the 'gum-tree,' a large Australian
evergreen, beneficial in destroying the miasma of malarious
districts.--_ns._ EU'CALYPT, a eucalyptus; EUCALYP'TOL, a volatile,
colourless, limpid oil. [Coined from Gr. _eu_, well, _kalyptos_,
covered--_kalyptein_, to cover.]
EUCHARIST, [=u]'ka-rist, _n._ the sacrament of the Lord's Supper: the
elements of the sacrament, as 'to receive the Eucharist.'--_adjs._
EUCHARIST'IC, -AL. [Gr. _eucharistia_, thanksgiving--_eu_, well, and
_charizesthai_, to show favour--_charis_, grace, thanks.]
EUCHLORINE, [=u]-kl[=o]'rin, _n._ a very explosive green-coloured gas,
prepared by the action of strong hydrochloric acid on chlorate of
potash.--_adj._ EUCHL[=O]'RIC. [Gr. _eu_, well, _chloros_, green.]
EUCHOLOGION, [=u]-ko-l[=o]'ji-on, _n._ a formulary of prayers, primarily
that of the Greek Church.--Also EUCHOL'OGY. [Gr. _euchologion_--_euch[=e]_,
a prayer, _logia_--_legein_, to speak.]
EUCHRE, [=u]'k[.e]r, _n._ an American game at cards for two, three, or four
persons, with the 32, 28, or 24 highest cards of the pack--if a player
fails to make three tricks he is _euchred_, and his adversary scores
against him.--_v.t._ to outwit. [Ety. uncertain; prob. Ger., like the term
_bower_ (q.v.), used in the game; some have suggested a Sp. _yuca_.]
EUCLASE, [=u]'kl[=a]s, _n._ a silicate of aluminium and glucinum occurring
in pale-green transparent crystals. [Fr.,--Gr. _eu_, well, _klasis_,
breaking.]
EUCLIDEAN, [=u]-klid'e-an, or [=u]-kli-d[=e]'an, _adj._ pertaining to
Euclid, a mathematician of Alexandria about 300 B.C.
EUDEMONISM, EUDÆMONISM, [=u]-d[=e]'mon-izm, _n._ the system of ethics that
makes happiness the test of rectitude--whether _Egoistic_, as Hobbes, or
_Altruistic_, as Mill.--_ns._ EUD[=E]'MONIST, EUDÆ'MONIST. [Gr.
_eudaimonia_, happiness--_eu_, well, _daim[=o]n_, a god.]
EUDIOMETER, [=u]-di-om'e-t[.e]r, _n._ an instrument for measuring the
purity of, or the quantity of oxygen contained in, the air.--_adjs._
EUDIOMET'RIC, -AL.--_n._ EUDIOM'ETRY. [Gr. _eudios_, clear, _metron_,
measure.]