Crossword-Solution: KETONIC 7 letters, 1 clue 🏆 scrabble score: 13

The transition from a cellulose-ketone to the lignone-ketone involves a simple condensation without rearrangement; from which we may argue back to the greater probability of the ketonic structure of the cellulose.

This latter method is being extended to the investigation of typical celluloses, and the results appear to confirm the view that cellulose may be of ketonic constitution.

These facts being also taken into consideration there is a concurrence of suggestion that the typical CO group in the celluloses is of ketonic character.

Etym: [See Tetra-.] (Chem.) Defn: Of, pertaining to, or designating, a complex ketonic acid, C5H6O3, obtained as a white crystalline substance; -- so called because once supposed to contain a peculiar radical of four carbon atoms.

This view gives expression to the genetic relations of the celluloses to the ligno-celluloses, to the tendency to carbon condensation as in the formation of coals, and pseudo-carbons, to the relative resistance of cellulose to hydrolysis, and its other points of differentiation from starch, and more particularly to the ketonic character of its carbonyl (CO) groups, which is also more in harmony with the experimental facts established by Fenton as to the production of methyl furfural.