In chemistry terms the difference between surfactant and surfactant

is that surfactant is a surface active agent, or wetting agent, capable of reducing the surface tension of a liquid; typically organic compounds having a hydrophilic "head" and a hydrophobic "tail" while surfactant is a surface active agent, or wetting agent, capable of reducing the surface tension of a liquid; typically organic compounds having a hydrophilic "head" and a hydrophobic "tail".

In biochemistry terms the difference between surfactant and surfactant

is that surfactant is a lipoprotein in the tissues of the lung that reduces surface tension and permits more efficient gas transport while surfactant is a lipoprotein in the tissues of the lung that reduces surface tension and permits more efficient gas transport.