Sentence:  After blotting out <WSD>most</WSD> of the liquid around the sections , the latter were mounted in buffered glycerine ( 7 parts glycerine to 3 parts of PBS ) . 
Meaning of the word marked with <WSD> tags:  the superlative of `much' that can be used with mass nouns and is usually preceded by `the'; a quantifier meaning the greatest in amount or extent or degree