empirical

{ } a. 1. Pertaining to, or founded upon, experiment or experience; depending upon the observation of phenomena; versed in experiments. [ 1913 Webster ]

In philosophical language, the term empirical means simply what belongs to or is the product of experience or observation. Sir W. Hamilton. [ 1913 Webster ]

The village carpenter . . . lays out his work by empirical rules learnt in his apprenticeship. H. Spencer. [ 1913 Webster ]

2. Depending upon experience or observation alone, without due regard to science and theory; -- said especially of medical practice, remedies, etc.; wanting in science and deep insight; as, empiric skill, remedies. [ 1913 Webster ]

Empirical formula. (Chem.) See under Formula.

Syn. -- See Transcendental. [ 1913 Webster ]