singular of economies of scale

(economics, idiomatic, plural only) a function describing how returns scale when production increases in the long run

plural of scale leaf

(botany) A small flat leaf resembling a scale, such as on many conifers. / (botany) A small modified leaf, especially a colorless membranous one, such as on a rhizome or forming part of a bulb.

A dimensionless scale used to express electronegativity.

A scale of physical development in children, adolescents, and adults, based on external primary and secondary sex characteristics, such as the size of the breasts and the development of pubic hair.

(endocrinology) A visual system for phenotypic grading of the genitalia, from "fully masculinized" to "fully feminized".

(medicine, physiology) A rating system for the measurement of the degree of virilization of the genitalia of the human body.

A numerical classification schema for human skin color.

The thin film that forms on the surface of wrought iron in the process of forging. It consists essentially of the magnetic oxide of iron.