(linguistics) A historical linguist engaged in search of long-range relationships among already established language families by comparing proto-languages.

A system of numeric names in which every new term with -illion greater than million is 1,000,000 times the previous term (e.g. a billion is a million million).

plural of long hop

(idiomatic) After a very long time; eventually; over a long period of time; more generally.

plural of long on

plural of long off

(idiomatic) at last

plural of long jumper

A city in Los Angeles County, California; suburb of Los Angeles. / A city in Nassau County, Long Island, New York.

Extending over a decade