(music) the section of a movement (especially in sonata form) where the major musical themes first occur
an account that sets forth the meaning or intent of a writing or discourse; "we would have understood the play better if there had been some initial exposition of the background"
a systematic interpretation or explanation (usually written) of a specific topic
(chemistry) a process in which one substance permeates another; a fluid permeates or is dissolved by a liquid or solid
(physics) the process in which incident radiated energy is retained without reflection or transmission on passing through a medium; "the absorption of photons by atoms or molecules"
(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"
inquire into; "the students had to research the history of the Second World War for their history project"; "He searched for information on his relatives on the web"; "Scientists are exploring the nature of consciousness"
attempt to find out in a systematically and scientific manner; "The student researched the history of that word"