CHALCEDONY, kal-sed'[=o]-ni, or kal'-, _n._ a beautiful mineral of the
quartz family, consisting of quartz with some admixture of opal--it is
generally translucent, has a somewhat waxy lustre, and is in colour
generally white or bluish-white.--_adj._ CHALCEDON'IC.--_n._ CHALCED'ONYX,
an agate formed of a white opaque chalcedony alternating with a grayish
translucent chalcedony. [Prob. from _Chalcedon_, in Asia Minor.]
CHALCOGRAPHY, kal-kog'ra-fi, _n._ the art of engraving on copper or
brass.--_ns._ CHALCOG'RAPHER, CHALCOG'RAPHIST. [Gr. _chalkos_, copper,
_graphein_, to write.]
CHALDAIC, kal-d[=a]'ik, CHALDEE, kal'd[=e], _adj._ relating to
_Chaldea_.--_n._ the language of the Chaldeans.--_n._ CHAL'D[=A]ISM, a
Chaldaic idiom.--_adj._ CHALD[=E]'AN, Chaldaic.--_n._ a native of Chaldea.
CHALDER, chawl'd[.e]r, _n._ an old Scotch dry measure, containing 16 bolls.
[Prob. a form of CHALDRON.]
CHALDRON, chawl'drun, _n._ an old coal-measure, holding 36 heaped bushels
(= 25½ cwt.). [Fr. _chaudron_. See CAULDRON.]
CHALET, sha-l[=a]', _n._ a summer hut used by Swiss herdsmen among the
Alps: a urinal. [Fr.]
CHALICE, chal'is, _n._ a cup or bowl: a communion-cup.--_adj._ CHAL'ICED,
cup-like. [Fr. _calice_--L. _calix_, _calicis_; Gr. _kylix_, a cup. CALYX
is a different word, but from the same root.]
CHALK, chawk, _n._ the well-known white substance, a carbonate of
lime.--_v.t._ to rub or manure with chalk.--_v.i._ to mark with chalk: in a
tavern, to write the score with chalk.--_ns._ CHALK'INESS; CHALK'-PIT, a
pit in which chalk is dug; CHALK'-STONE, a stone or piece of chalk: (_pl._)
the white concretions formed round the joints in chronic gout.--_adj._
CHALK'Y.--CHALK FOR CHEESE, a small price for a good article.--CHALKING THE
DOOR, in Scotland, a form of warning tenants to remove from burghal
tenements.--CHALK OUT, to trace out, as with chalk, to plan.--BY A LONG
CHALK, by a considerable distance, referring to the habit of scoring with
chalk. [A.S. _cealc_, like Fr. _chaux_, is from L. _calx_, limestone.]
CHALLENGE, chal'enj, _v.t._ to call on one to settle a matter by fighting
or by any kind of contest: to claim as one's own: to accuse; to object
to.--_n._ a summons to a contest of any kind, but esp. a duel: a calling of
any one or anything in question: exception to a juror: the demand of a
sentry.--_adj._ CHALL'ENGEABLE, that may be challenged.--_n._ CHALL'ENGER,
one who challenges to a combat of any kind: a claimant: one who objects,
calls in question. [O. Fr. _chalenge_, a dispute, a claim--L. _calumnia_, a
false accusation--_calvi_, _calv[)e]re_, to deceive.]
CHALLIS, shal'is, or shal'i, _n._ a fine fabric of silk and worsted used
for ladies' dresses. [Fr.]
CHALUMEAU, shal-[=u]-m[=o]', _n._ a musical instrument: a shepherd's pipe.
[Fr.,--O. Fr. _chalemel_--Low L. _calamellus_, dim. of _calamus_, a pipe, a
reed.]
CHALYBEAN, ka-lib'[=e]-an, _adj._ (_Milton_) forged by the Chalybes: well
tempered.--_adj._ CHALYB'E[=A]TE, containing iron.--_n._ a water or other
liquor containing iron. [Gr. _chalyps_, _chalybos_, steel, so called from
the _Chalybes_, a nation in Pontus famous for steel.]
CHALYBITE, kal'i-b[=i]t, _n._ native iron protocarbonate--siderite.
CHAM, kam, _n._ an obsolete form of KHAN.