Soap is one of a class of chemical substances called surfactants, an acronym for surface active agents.

Each experiment examined the effects of materials that reduce the surface tension of water, called surfactants, on the behavior of individual drops of liquid.

At Plymouth County Court, Judge Cox said that South West Water was allowed to discharge effluent into the water, but its legal discharge consent made no mention of phosphates or the detergents which cause foaming, technically called surfactants.

In the past, detergents have used a class of compounds called surfactants to get at grease stains.

To this end, all washing powders contain one or more chemicals called 'surfactants,' designed to lift out dirt from fabric and 'hold'it in the washing water.

The new method replaces alcohol with chemicals called surfactants, which break down particles and allow them to be carried by water molecules.

Both milk and various detergents contain certain types of chemicals called surfactants (an acronym for "surface active agents").

These kinds of molecules are called "surfactants" which is short for SURFace ACTive agENTS.

New drugs released this year, called artificial surfactants, can improve the breathing capacity of the infant's normally stiff lungs.