derived from experiment and observation rather than theory; "an empirical basis for an ethical theory"; "empirical laws"; "empirical data"; "an empirical treatment of a disease about which little is known"
a methodical examination or review of a condition or situation; "he made an audit of all the plants on his property"; "an energy efficiency audit"; "an email log audit"
attend academic courses without getting credit
examine carefully for accuracy with the intent of verification; "audit accounts and tax returns"
the act of subjecting to experimental test in order to determine how well something works; "they agreed to end the testing of atomic weapons"
an examination of the characteristics of something; "there are laboratories for commercial testing"; "it involved testing thousands of children for smallpox"
(law) legal proceedings consisting of the judicial examination of issues by a competent tribunal; "most of these complaints are settled before they go to trial"
(law) the determination of a person's innocence or guilt by due process of law; "he had a fair trial and the jury found him guilty"
trying something to find out about it; "a sample for ten days free trial"; "a trial of progesterone failed to relieve the pain"
an annoying or frustrating or catastrophic event; "his mother-in-law's visits were a great trial for him"; "life is full of tribulations"; "a visitation of the plague"
(sports) a preliminary competition to determine qualifications; "the trials for the semifinals began yesterday"