Pronunciation: (nol'ij),[key] —n. 1. acquaintance with facts, truths, or principles, as from study or investigation; general erudition: knowledge of many things. 2. familiarity or conversance, as with a particular subject or branch of learning: A knowledge of accounting was necessary for the job. 3. acquaintance or familiarity gained by sight, experience, or report: a knowledge of human nature. 4. the fact or state of knowing; the perception of fact or truth; clear and certain mental apprehension.
5. awareness, as of a fact or circumstance: He had knowledge of her good fortune. 6. something that is or may be known; information: He sought knowledge of her activities. 7. the body of truths or facts accumulated in the course of time.
8. the sum of what is known: Knowledge of the true situation is limited. 9. Archaic.sexual intercourse. Cf. carnal knowledge. 10. to one's knowledge, according to the information available to one: To my knowledge he hasn't been here before.
—adj. creating, involving, using, or disseminating special knowledge or information: A computer expert can always find a good job in the knowledge industry.