(biochemistry) The anhydrosugar (2S,4S,5S)-2-[[(2S,3R,5R)-3,4-dihydroxy-6,8-dioxabicyclo[3.2.1]octan-2-yl]oxy]-6-(hydroxymethyl)oxane-3,4,5-triol derived from cellobiose

(chemistry) Denoting a kind of acid.

A particular xanthine.

debris in sediment composed of fossil pollen and other palynomorphs