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"
an apparatus for burning fuel (or refuse); "a diesel engine is an oil burner"
the heating elements of a stove or range on which pots and pans are placed for cooking; "the electric range had one large burner and three smaller one"
the act of subjecting to experimental test in order to determine how well something works; "they agreed to end the testing of atomic weapons"
an examination of the characteristics of something; "there are laboratories for commercial testing"; "it involved testing thousands of children for smallpox"
a silver-white metallic element of the platinum group that resembles platinum; occurs in some copper and nickel ores; does not tarnish at ordinary temperatures and is used (alloyed with gold) in jewelry
direct carefully and safely; "He navigated his way to the altar"
act as the navigator in a car, plane, or vessel and plan, direct, plot the path and position of the conveyance; "Is anyone volunteering to navigate during the trip?"; "Who was navigating the ship during the accident?"