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"
the branch of quantum physics that accounts for matter at the atomic level; an extension of statistical mechanics based on quantum theory (especially the Pauli exclusion principle)
the act of losing; "everyone expected him to win so his loss was a shock"
the disadvantage that results from losing something; "his loss of credibility led to his resignation"; "losing him is no great deprivation"
the experience of losing a loved one; "he sympathized on the loss of their grandfather"
the amount by which the cost of a business exceeds its revenue; "the company operated at a loss last year"; "the company operated in the red last year"
something that is lost; "the car was a total loss"; "loss of livestock left the rancher bankrupt"
gradual decline in amount or activity; "weight loss"; "a serious loss of business"
promise of reimbursement in the case of loss; paid to people or companies so concerned about hazards that they have made prepayments to an insurance company
discovered or determined by scientific observation; "variation in the ascertained flux depends on a number of factors"; "the discovered behavior norms"; "discovered differences in achievement"; "no explanation for the observed phenomena"
the quality of being rash and foolish; "trying to drive through a blizzard is the height of folly"; "adjusting to an insane society is total foolishness"
having once lived or existed or taken place in the real world as distinct from being legendary; "the historical Jesus"; "doubt that a historical Camelot every existed"; "actual historical events"
of or relating to the study of history; "historical scholars"; "a historical perspective"