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The Collaborative International Dictionary of English v.0.48 (gcide)

Secondary \Sec"ond*a*ry\, a. [Cf. F. secondaire, L. secundaire.
See {Second}, a.]
1. Succeeding next in order to the first; of second place,
origin, rank, etc.; not primary; subordinate; not of the
first order or rate.
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Wheresoever there is moral right on the one hand, no
secondary right can discharge it. --L'Estrange.
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Two are the radical differences; the secondary
differences are as four. --Bacon.
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2. Acting by deputation or delegated authority; as, the work
of secondary hands.
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3. (Chem.) Possessing some quality, or having been subject to
some operation (as substitution), in the second degree;
as, a secondary salt, a secondary amine, etc. Cf.
{primary}.
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Note: A primary amine has the general formula {R.NH2}; a
secondary amine has the general formula {R.NH.R'},
where R and R' are alkyl or aryl groups. A primary
alcohol has the general formula {R.CH2.OH}; a secondary
alcohol has the general formula {R.CHOH.R'}. Tertiary
amines and alcohols have the general formulas
{R.CR'N.R'} and {R.CR'OH.R'}, respectively.
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4. (Min.) Subsequent in origin; -- said of minerals produced
by alteration or deposition subsequent to the formation of
the original rock mass; also of characters of minerals (as
secondary cleavage, etc.) developed by pressure or other
causes.
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5. (Zool.) Pertaining to the second joint of the wing of a
bird.
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6. (Med.)
(a) Dependent or consequent upon another disease; as,
Bright's disease is often secondary to scarlet fever.
(b) Occurring in the second stage of a disease; as, the
secondary symptoms of syphilis.
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{Secondary accent}. See the Note under {Accent}, n., 1.

{Secondary age}. (Geol.) The Mesozoic age, or age before the
Tertiary. See {Mesozoic}, and Note under {Age}, n., 8.

{Secondary alcohol} (Chem.), any one of a series of alcohols
which contain the radical {CH.OH} united with two
hydrocarbon radicals. On oxidation the secondary alcohols
form ketones.

{Secondary amputation} (Surg.), an amputation for injury,
performed after the constitutional effects of the injury
have subsided.

{Secondary axis} (Opt.), any line which passes through the
optical center of a lens but not through the centers of
curvature, or, in the case of a mirror, which passes
through the center of curvature but not through the center
of the mirror.

{Secondary battery}. (Elec.) See under {Battery}, n., 4.

{Secondary circle} (Geom. & Astron.), a great circle that
passes through the poles of another great circle and is
therefore perpendicular to its plane.

{Secondary circuit}, {Secondary coil} (Elec.), a circuit or
coil in which a current is produced by the induction of a
current in a neighboring circuit or coil called the
primary circuit or coil.

{Secondary color}, a color formed by mixing any two primary
colors in equal proportions.

{Secondary coverts} (Zool.), the longer coverts which overlie
the basal part of the secondary quills of a bird. See
Illust. under {Bird}.

{Secondary crystal} (Min.), a crystal derived from one of the
primary forms.

{Secondary current} (Elec.), a momentary current induced in a
closed circuit by a current of electricity passing through
the same or a contiguous circuit at the beginning and also
at the end of the passage of the primary current.

{Secondary evidence}, that which is admitted upon failure to
obtain the primary or best evidence.

{Secondary fever} (Med.), a fever coming on in a disease
after the subsidence of the fever with which the disease
began, as the fever which attends the outbreak of the
eruption in smallpox.

{Secondary hemorrhage} (Med.), hemorrhage occuring from a
wounded blood vessel at some considerable time after the
original bleeding has ceased.

{Secondary planet}. (Astron.) See the Note under {Planet}.

{Secondary qualities}, those qualities of bodies which are
not inseparable from them as such, but are dependent for
their development and intensity on the organism of the
percipient, such as color, taste, odor, etc.

{Secondary quills} or {Secondary remiges} (Zool.), the quill
feathers arising from the forearm of a bird and forming a
row continuous with the primaries; -- called also
{secondaries}. See Illust. of {Bird}.

{Secondary rocks} or {Secondary strata} (Geol.), those lying
between the Primary, or Paleozoic, and Tertiary (see
{Primary rocks}, under {Primary}); -- later restricted to
strata of the Mesozoic age, and at present but little
used.

{Secondary syphilis} (Med.), the second stage of syphilis,
including the period from the first development of
constitutional symptoms to the time when the bones and the
internal organs become involved.

{Secondary tint}, any subdued tint, as gray.

{Secondary union} (Surg.), the union of wounds after
suppuration; union by the second intention.
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Syn: Second; second-rate; subordinate; inferior.
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Secondary \Sec"ond*a*ry\, n.; pl. {Secondaries}.
1. One who occupies a subordinate, inferior, or auxiliary
place; a delegate or deputy; one who is second or next to
the chief officer; as, the secondary, or undersheriff of
the city of London.
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Old Escalus . . . is thy secondary. --Shak.
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2. (Astron.)
(a) A secondary circle.
(b) A satellite.
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3. (Zool.) A secondary quill.
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