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?"
a score in American football; a player is tackled behind his own goal line
a safe place; "He ran to safety"
the state of being certain that adverse effects will not be caused by some agent under defined conditions; "insure the safety of the children"; "the reciprocal of safety is risk"
a carpenter's hand tool with an adjustable blade for smoothing or shaping wood; "the cabinetmaker used a plane for the finish work"
a power tool for smoothing or shaping wood
(mathematics) an unbounded two-dimensional shape; "we will refer to the plane of the graph as the X-Y plane"; "any line joining two points on a plane lies wholly on that plane"
a level of existence or development; "he lived on a worldly plane"
cut or remove with or as if with a plane; "The machine shaved off fine layers from the piece of wood"
make even or smooth, with or as with a carpenter's plane; "plane the top of the door"