deeply absorbed in thought; "as distant and bemused as a professor listening to the prattling of his freshman class"; "lost in thought"; "a preoccupied frown"
any collection of valuables that is discovered; "her book was a treasure trove of new ideas"; "mother's attic was a treasure trove when we were looking for antiques"
treasure of unknown ownership found hidden (usually in the earth)
(law) compulsory pretrial disclosure of documents relevant to a case; enables one side in a litigation to elicit information from the other side concerning the facts in the case
old; no longer in use or valid or fashionable; "obsolete words"; "an obsolete locomotive"; "outdated equipment"; "superannuated laws"; "out-of-date ideas"
(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"