a tentative theory about the natural world; a concept that is not yet verified but that if true would explain certain facts or phenomena; "a scientific hypothesis that survives experimental testing becomes a scientific theory"; "he proposed a fresh theory of alkalis that later was accepted in chemical practices"
a proposal intended to explain certain facts or observations
the sum of recognized accomplishments; "the lawyer has a good record"; "the track record shows that he will be a good president"
an extreme attainment; the best (or worst) performance ever attested (as in a sport); "he tied the Olympic record"; "coffee production last year broke all previous records"; "Chicago set the homicide record"
a compilation of the known facts regarding something or someone; "Al Smith used to say, `Let's look at the record'"; "his name is in all the record books"
anything (such as a document or a phonograph record or a photograph) providing permanent evidence of or information about past events; "the film provided a valuable record of stage techniques"
a document that can serve as legal evidence of a transaction; "they could find no record of the purchase"
the number of wins versus losses and ties a team has had; "at 9-0 they have the best record in their league"
register electronically; "They recorded her singing"
make a record of; set down in permanent form
be aware of; "Did you register any change when I pressed the button?"