foam
nounDefinition of foam
(Entry 1 of 2)
1
: a light frothy mass of fine bubbles formed in or on the surface of a liquid or from a liquid: such 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
verb
foamed;
foaming;
foams
Definition of foam (Entry 2 of 2)
1a
: 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 … foaming with life— Thomas Wolfe
1
: to cause to foam
specifically
: to cause air bubbles to form in
2
: to convert (something, such as a plastic) into a foam
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