\Sec"ond*a*ry\, a. [Cf. F. secondaire, L. secundaire.
See {Second}, a.]
1. Suceeding next in order to the first; of second place,
   origin, rank, rank, etc.; not primary; subordinate; not of
   the first order or rate.

         Wheresoever there is normal right on the one hand,
         no secondary right can discharge it.  --L'Estrange.

         Two are the radical differences; the secondary
         differences are as four.              --Bacon.

2. Acting by deputation or delegated authority; as, the work
   of secondary hands.

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}.

4. (Min.) Subsequent in origin; -- said of minerals produced
   by alteertion or deposition subsequent to the formation of
   the original rocks mass; also of characters of minerals
   (as secondary cleavage, etc.) developed by pressure or
   other causes.

5. (Zo["o]l.) Pertaining to the second joint of the wing of a
   bird.

6. (Med.) Dependent or consequent upon another disease; as,
   Bright's disease is often secondary to scarlet fever.
   (b) Occuring in the second stage of a disease; as, the
       secondary symptoms of syphilis.

{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 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} (Zo["o]l.), 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 {remiges} (Zo["o]l.), 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 {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 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.

Syn: Second; second-rate; subordinate; inferior.

\Sec"ond*a*ry\, n.; pl. {Secondaries}.
1. One who occupies a subordinate, inferior, or auxiliary
   place; a delegate deputy; one who is second or next to the
   chief officer; as, the secondary, or undersheriff of the
   city of London.

         Old Escalus . . . is thy secondary.   --Shak.

2. (Astron.)
   (a) A secondary circle.
   (b) A satellite.

3. (Zo["o]l.) A secondary quill.