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
in addition; "computer chess games are getting cheaper all the time; furthermore, their quality is improving"; "the cellar was dark; moreover, mice nested there"; "what is more, there's no sign of a change"
over great areas or distances; everywhere; "he traveled far and wide"; "the news spread far and wide"; "people came from far and near"; "searched for the child far and near"