subs - synt
- subsidiary valence
- subsiding tank
- subsoil water
- substance
- substantive color
- substantive dye
- substantivity
- substituent
- substitute
- substitution
- substitution compound
- substitution product
- substitution reaction
- substrate
- subtractive color process
- successive reaction
- succharose
- succinaldehyde
- succinate
- succinic acid
