(Se*bac"ic) a. [L. sebum tallow: cf. F. sébacique.] (Chem.) Of or pertaining to fat; derived
from, or resembling, fat; specifically, designating an acid (formerly called also sebic, and pyroleic, acid),
obtained by the distillation or saponification of certain oils (as castor oil) as a white crystalline substance.
(Se"bat) n. [Heb. shebat.] The eleventh month of the ancient Hebrew year, approximately corresponding
with February. W. Smith
(Se"bate) n. (Chem.) A salt of sebacic acid.
(Se*bes"ten) n. [Ar. sebestan the tree: cf. Sp. sebesten.] (Bot.) The mucilaginous drupaceous
fruit of two East Indian trees sometimes used medicinally in pectoral diseases.
In the West Indies the name is given to the similar fruit of Cordia Sebestana.
(Se"bic) a. See Sebacic. [Obs.]
(Se*bif"er*ous) a. [L. sebum tallow + -ferous.]
1. (Bot.) Producing vegetable tallow.
2. (Physiol.) Producing fat; sebaceous; as, the sebiferous, or sebaceous, glands.
(Se*bip"a*rous) a. [L. sebum tallow + parere to bring forth.] (Physiol.) Same as Sebiferous.
(||Seb"or*rhe*a) n. [NL., fr. L. sebum tallow + Gr. to flow.] (Med.) A morbidly increased
discharge of sebaceous matter upon the skin; stearrhea.
(||Se*ca"le) n. [L., a kind of grain.] (Bot.) A genus of cereal grasses including rye.
(Se"can*cy) n. [See Secant.] A cutting; an intersection; as, the point of secancy of one line
by another. [R.] Davies & Peck (Math. Dict. ).
(Se"cant) a. [L. secans, -antis, p. pr. of secare to cut. See Section.] Cutting; dividing into
two parts; as, a secant line.
(Secant), n. [Cf. F. sécante. See Secant, a.]
1. (Geom.) A line that cuts another; especially, a straight line cutting a curve in two or more points.
2. (Trig.) A right line drawn from the center of a circle through one end of a circular arc, and terminated
by a tangent drawn from the other end; the number expressing the ratio of this line to the radius of the
circle. See Trigonometrical function, under Function.
Secco painting, or Painting in secco, painting on dry plaster, as distinguished from fresco painting,
which is on wet or fresh plaster.
(||Sec"co) a. [It.] Dry.
(Se"cede") v. i. [imp. & p. p. Seceded; p. pr. & vb. n. Seceding.] [L. secedere, secessum; pref
se- aside + cedere to go, move. See Cede.] To withdraw from fellowship, communion, or association; to
separate one's self by a solemn act; to draw off; to retire; especially, to withdraw from a political or religious
1. One who secedes.