The quality of being core.

(computing) The recorded state of the memory of a computer program at a specific time, generally when the program has terminated abnormally.

plural of core dump

The long cylinder of material obtained by use of a core drill

A device used to remove a cylinder-shaped sample of material for examination

(intransitive, computing) To generate a core dump. / (slang, computing) To ramble pointlessly at length; especially used in apology

plural of core drill

(education) The courses or other components of an educational program which are foundational, prerequisite, or mandatory, as opposed to the elective, secondary, or variable components of a program.

plural of core hole

Used other than figuratively or idiomatically: see inner, core.