softeningsoftening pointsoftwoodsoil type factorsol gelsolder resistsolenoidsolid contentsolid membrane electrodesolid phase reactionsolid state polymerizationsolid state synthesissolid suspensionsolid wall pipesolitonsolubility parametersolublesolutesolution dipsolution polymerizationsolution spinningsolution statesolutropicsolventsolvent polymerizationsonic elastic modulussorptionsoundproofsoxhletsoyabean oilspace latticespacersparspargersparinglysparklingspatulaspeciality polymerspecific gravityspecific impulsespecific modulusspecific resistancespecific tensile strengthspecific viscosityspecific weightspecimenspectral subtractionspectrophometerspectrophotometeryspectroscopy