Primitive /(?)/

Prim·i·tive

Primitive

Of or pertaining to the beginning or origin, or to early times; original; primordial; primeval; first; as, primitive innocence; the primitive church.
Of or pertaining to a former time; old-fashioned; characterized by simplicity; as, a primitive style of dress.
Original; primary; radical; not derived; as, primitive verb in grammar.

Primitive axes of coordinate: that system of axes to which the points of a magnitude are first referred, with reference to a second set or system, to which they are afterward referred.
Primitive chord: that chord, the lowest note of which is of the same literal denomination as the fundamental base of the harmony; -- opposed to derivative.
Primitive circle: the circle cut from the sphere to be projected, by the primitive plane.
Primitive colors: primary colors. See under Color.
Primitive Fathers: the acknowledged Christian writers who flourished before the Council of Nice, A. D. 325.
Primitive groove: a depression or groove in the epiblast of the primitive streak. It is not connected with the medullary groove, which appears later and in front of it.
Primitive plane: the plane upon which the projections are made, generally coinciding with some principal circle of the sphere, as the equator or a meridian.
Primitive rocks: primary rocks. See under Primary.
Primitive sheath: See Neurilemma.
Primitive streak: an opaque and thickened band where the mesoblast first appears in the vertebrate blastoderm.

An original or primary word; a word not derived from another; -- opposed to derivative.