Dictionary
2 ENTRIES FOUND:

surface–active

adjective

Definition of SURFACE-ACTIVE

:  altering the properties and especially lowering the tension at the surface of contact between phases <soaps and wetting agents are typical surface–active substances>

First Known Use of SURFACE-ACTIVE

1920

surface–active

adjective    (Medical Dictionary)

Medical Definition of SURFACE–ACTIVE

:  altering the properties and especially lowering the tension at the surface of contact between phases <soaps and wetting agents are typical surface–active substances>

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