Category Nuances for lignin:

• undesirable,
• polymeric,
• cellular,
• inert,
• organic,
• synthetic,
• useless,
• tough,
• insoluble,
• structural,
• indigestible,
• binding,
• colloidal,
• complex,
• macromolecular,
• harmful,
• impure,
• damaging,
• refractory,
• renewable,
• natural,
• interfering,
• aromatic,
• anionic,
• resistant,
• hydrophobic,
• individual,
• volatile,
• domestic,
• cationic,
• molecular,
• woody,
• essential,
• persistent,
• chemical,
• dissolved,
• unwanted,
• available,
• important,
• suspended,
• nonvolatile,
• moving,
• harmless,
• extraneous,
• basic,
• complicated,
• residual,
• nutritious,
• artificial,
• remaining,
• fibrous,
• protective,
• isolated,
• heterogeneous,
• biological,
• ordinary,
• soluble,
• noncombustible,
• dense,
• digestible,
• nutritional,
• primary,
• solid,
• small,
• inhibitory,
• dietary,
• secondary,
• extractable,
• hard,
• industrial,
• hydrophilic,
• friendly,
• carbonaceous,
• repellent,
• raw,
• stable,
• acid,
• biodegradable,
• dry,
• rich,
• nitrogenous,
• polar,
• hygroscopic,
• sensitive,
• inexpensive,
• amorphous,
• robust,
• miscellaneous,
• liquid,
• diverse,
• large,
• biochemical,

Simple Categories for lignin:

• mixture,
• material,
• entity,
• unit,
• compound,
• attribute,
• contaminant,
• component,
• chemical,
• substance,
• fibre,
• fraction,
• matter,
• polymer,
• derivative,
• precursor,
• solute,
• particle,
• solid,
• fiber,
• acid,
• part,
• waste,
• substrate,
• group,
• constituent,