Core and Prototype

noun

• A small group of indispensable persons or things.
  • usage: "five periodicals make up the core of their publishing program"
  • synonyms: nucleus, core group
• The center of an object.
  • usage: "the ball has a titanium core"
• The central part of the Earth.
• The choicest or most essential or most vital part of some idea or experience.
  • usage: "the gist of the prosecutor's argument"; "the heart and soul of the Republican Party"; "the nub of the story"
  • synonyms: kernel, substance, center, centre, essence, gist, heart, heart and soul, inwardness, marrow, meat, nub, pith, sum, nitty-gritty
• A cylindrical sample of soil or rock obtained with a hollow drill.
• An organization founded by James Leonard Farmer in 1942 to work for racial equality.
  • synonyms: Congress of Racial Equality
• The central meaning or theme of a speech or literary work.
  • synonyms: effect, essence, burden, gist
• Computer science. ( a tiny ferrite toroid formerly used in a random access memory to store one bit of data; now superseded by semiconductor memories)
  • usage: "each core has three wires passing through it, providing the means to select and detect the contents of each bit"
  • synonyms: magnetic core
• The chamber of a nuclear reactor containing the fissile material where the reaction takes place.
• A bar of magnetic material (as soft iron) that passes through a coil and serves to increase the inductance of the coil.

verb

• Remove the core or center from.
  • usage: "core an apple"

• (v.t.) To form by means of a core, as a hole in a casting.
• (n.) The heart or inner part of a thing, as of a column, wall, rope, of a boil, etc.; especially, the central part of fruit, containing the kernels or seeds; as, the core of an apple or quince.
• (n.) The bony process which forms the central axis of the horns in many animals.
• (v.t.) To take out the core or inward parts of; as, to core an apple.
• (n.) The prtion of a mold which shapes the interior of a cylinder, tube or other hollow casting or which makes a hole in or through a casting; a part of the mold, made separate from and inserted in it, for shaping some part of the casting, the form of which is not determined by that of the pattern.
• (n.) The most important part of a thing; the essence; as, the core of a subject.
• (n.) The center or inner part, as of an open space; as, the core of a square.
• (n.) A Hebrew dry measure; a cor or homer.
• (n.) A disorder of sheep occasioned by worms in the liver.
• (n.) A body of individuals; an assemblage.
• (n.) A miner's underground working time or shift.
• (n.) A mass of iron, usually made of thin plates, upon which the conductor of an armature or of a transformer is wound.

(Military) CORE stands for contingency response program

noun

• A standard or typical example.
  • usage: "he is the prototype of good breeding"; "he provided America with an image of the good father"
  • synonyms: paradigm, epitome, image

(n.) An original or model after which anything is copied; the pattern of anything to be engraved or otherwise copied, cast or the like; a primary form; exemplar; archetype.