A reduction in the level of some property with distance, especially the amplitude of a wave or the strength of a signal.
The reduction of the active principles of medicines to minute doses.
The tapering of a leaf etc to a fine point.
A weakening in the virulence of a pathogen or other microorganism.
A fabrication process in which a material is stretched out into a thin shape.
The proportion of sugar that is converted to ethanol by a yeast.
A gradual diminishing of strength.