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 person engaged in one of the learned professions
an athlete who plays for pay
engaged in a profession or engaging in as a profession or means of livelihood; "the professional man or woman possesses distinctive qualifications"; "began her professional career after the Olympics"; "professional theater"; "professional football"; "a professional cook"; "professional actors and athletes"
characteristic of or befitting a profession or one engaged in a profession; "professional conduct"; "professional ethics"; "a thoroughly professional performance"
engaged in by members of a profession; "professional occupations include medicine and the law and teaching"
of or relating to a profession; "we need professional advice"; "professional training"; "professional equipment for his new office"
of or relating to or suitable as a profession; "professional organizations"; "a professional field such as law"
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