How many letters does the top answer for “a polysaccharide that is the chief constituent of all plant tissues and fibers” have?

The most common answer is cellulose (9 letters).

Crossword clue: a polysaccharide that is the chief constituent of all plant tissues and fibers

1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

cellulose 9 letters wn-def

a polysaccharide that is the chief constituent of all plant tissues and fibers