Meaning of FOAM in English

I. ˈfōm noun

Etymology: Middle English fome, from Old English fām; akin to Old High German feim foam, Latin spuma foam, pumex pumice

Date: before 12th century

1. : a light frothy mass of fine bubbles formed in or on the surface of a liquid or from a liquid: as

a. : a frothy mass formed in salivating or sweating

b. : a stabilized froth produced chemically or mechanically and used especially in fighting oil fires

c. : a material in a lightweight cellular form resulting from introduction of gas bubbles during manufacture

2. : sea

3. : something resembling foam

• foam·less -ləs adjective

II. verb

Date: before 12th century

intransitive verb


a. : to produce or form foam

b. : to froth at the mouth especially in anger ; broadly : to be angry

2. : to gush out in foam

3. : to become covered with or as if with foam

streets… foam ing with life — Thomas Wolfe

transitive verb

1. : to cause to foam ; specifically : to cause air bubbles to form in

2. : to convert (as a plastic) into a foam

• foam·able ˈfō-mə-bəl adjective

• foam·er fō-mər noun

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.