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core sample[′kȯr ‚sam·pəl]
A sample of rock, soil, snow, or ice obtained by driving a hollow tube into the undisturbed medium and withdrawing it with its contained sample or core.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
1. The center of a plywood or crossbanded construction; it may consist of lumber (solid or glued) or particleboard; serves as a base for veneer.
2. The internal structure in a hollow-core door.
3. The wood chips cut from a mortise.
4. The metal bar to which a handrail is attached.
5. The internal structure which serves as a base for complex plasterwork.
6. The molded open space in a concrete masonry unit.
7. The filling within a thick hollow stone wall.
8. The filling between a lintel and relieving arches.
9. A cylindrical sample of hardened concrete or rock obtained by means of a core barrel and drill.
10. A part of a multistory building, containing a variety of service and utility functions, as elevators, stairwells, etc.
11. That part of a magnetic circuit (usually steel or iron laminations) about which are wound coils in electromagnetic devices such as transformers, solenoids, relays, etc.; a magnetic core.
12. (Brit.) The conductor of a cable with its insulation, but not including any outer protective covering.
14. Of gypsum board, the hardened material filling the space between a face paper and a back paper; consists primarily of gypsum with additives.
15. (British) Same as blockout.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.