(computer science) a copy of a file or directory on a separate storage device; "he made a backup in case the original was accidentally damaged or erased"
an accumulation caused by clogging or a stoppage; "a traffic backup on the main street"; "he discovered a backup in the toilet"
a chess move constituting an inescapable and indefensible attack on the opponent's king
complete victory
place an opponent's king under an attack from which it cannot escape and thus ending the game; "Kasparov checkmated his opponent after only a few moves"
the discipline that records and interprets past events involving human beings; "he teaches Medieval history"; "history takes the long view"
all that is remembered of the past as preserved in writing; a body of knowledge; "the dawn of recorded history"; "from the beginning of history"
a record or narrative description of past events; "a history of France"; "he gave an inaccurate account of the plot to kill the president"; "the story of exposure to lead"
the aggregate of past events; "a critical time in the school's history"
the continuum of events occurring in succession leading from the past to the present and even into the future; "all of human history"
drawing a comparison in order to show a similarity in some respect; "the operation of a computer presents and interesting analogy to the working of the brain"; "the models show by analogy how matter is built up"
an inference that if things agree in some respects they probably agree in others
without deviation; "the path leads directly to the lake"; "went direct to the office"
in a forthright manner; candidly or frankly; "he didn't answer directly"; "told me straight out"; "came out flat for less work and more pay"
without anyone or anything intervening; "these two factors are directly related"; "he was directly responsible"; "measured the physical properties directly"