scientific classification

The ends of a scientific classification are better answered by including it.

The wood-duck is, according to strict scientific classification, a diminutive goose.

Another scientific classification divided men into the light-haired and dark-haired.

Scientific classification is the product of a mature mind possessing mastery of a given portion of the field of knowledge.

The book is written on a definite system, and is the first attempt at a scientific classification of rights over land.