(electronics) the act of increasing voltage or power or current
addition of extra material or illustration or clarifying detail; "a few remarks added in amplification and defense"; "an elaboration of the sketch followed"
the amount of increase in signal power or voltage or current expressed as the ratio of output to input
a noticeable deterioration in performance or quality; "the team went into a slump"; "a gradual slack in output"; "a drop-off in attendance"; "a falloff in quality"
fall heavily or suddenly; decline markedly; "The real estate market fell off"
fall or sink heavily; "He slumped onto the couch"; "My spirits sank"
the trait of being uncommunicative; not volunteering anything more than necessary
something kept back or saved for future use or a special purpose
(medicine) potential capacity to respond in order to maintain vital functions
obtain or arrange (for oneself) in advance; "We managed to reserve a table at Maxim's"
hold back or set aside, especially for future use or contingency; "they held back their applause in anticipation"
arrange for and reserve (something for someone else) in advance; "reserve me a seat on a flight"; "The agent booked tickets to the show for the whole family"; "please hold a table at Maxim's"
give to a charity or good cause; "I donated blood to the Red Cross for the victims of the earthquake"; "donate money to the orphanage"; "She donates to her favorite charity every month"