(aviation) The instantaneous ratio of lift to drag of an aerodynamic article such as an a wing, entire aircraft or bird.

(finance) The ratio of share price to earnings per share used as an indication of the relative value of the share.

(ecology) The ratio of purchased emergy to the local free environmental emergy.

Alternative form of PE ratio

(corpus linguistics) The ratio of how many different words (types) occur in a text or corpus to the overall number of words (tokens) in the same text or corpus.

(computing, historical) In cathode-ray-tube storage systems, the number of times that a value can be read from a given cell without corrupting adjacent stored values.

The number of bushels of corn equal in value to 100 pounds of live hogs, used by farmers to decide whether it is more lucrative to sell their corn or to feed hogs with it and sell those.

Synonym of hog-corn ratio

Synonym of basic reproduction number

Synonym of basic reproduction number