· a small group of indispensable persons or things; "five periodicals make up the core of their publishing program"

Synonym(s): nucleus, core_group

Hypernym(s): set

· the center of an object; "the ball has a titanium core"

Hypernym(s): center, centre, midpoint

· the central part of the Earth

Hypernym(s): center, centre, midpoint

· the choicest or most essential or most vital part of some idea or experience; "the gist of the prosecutor's argument"; "the heart and soul of the Republican Party"; "the nub of the story"

Synonym(s): kernel, substance, center, centre, essence, gist, heart, heart_and_soul, inwardness, marrow, meat, nub, pith, sum, nitty-gritty

Hypernym(s): content, cognitive_content, mental_object

· a cylindrical sample of soil or rock obtained with a hollow drill

Hypernym(s): sample

· an organization founded by James Leonard Farmer in 1942 to work for racial equality

Synonym(s): Congress_of_Racial_Equality, CORE

Hypernym(s): nongovernmental_organization, NGO

· the central meaning or theme of a speech or literary work

Synonym(s): effect, essence, burden, gist

Hypernym(s): meaning, significance, signification, import

· (computer science) a tiny ferrite toroid formerly used in a random access memory to store one bit of data; now superseded by semiconductor memories; "each core has three wires passing through it, providing the means to select and detect the contents of each bit"

Synonym(s): magnetic_core

Hypernym(s): torus, toroid

· the chamber of a nuclear reactor containing the fissile material where the reaction takes place

Hypernym(s): chamber

· a bar of magnetic material (as soft iron) that passes through a coil and serves to increase the inductance of the coil

Hypernym(s): bar

· remove the core or center from; "core an apple"

Hypernym(s): hollow, hollow_out, core_out