Modifiers matching buffer:

• physiological,
• nonvolatile,
• gaseous,
• volatile,
• stable,
• salt,
• urinary,
• common,
• complex,
• appropriate,
• inorganic,
• mobile,
• alkaline,
• chemical,
• aromatic,
• working,
• active,
• acidic,
• natural,
• endogenous,
• enzymatic,
• intracellular,
• standard,
• biological,
• cellular,
• inexpensive,
• minor,
• exogenous,
• ancillary,
• charged,
• dilute,
• organic,
• basic,
• simple,
• acid,
• nontoxic,

Simple categories matching gaseous:

• hydrocarbon,
• fuel,
• plasma,
• contamination,
• cyanide,
• agent,
• fluid,
• alkane,
• substance,
• odor,
• compound,
• atmosphere,
• pollutant,
• medium,
• oxide,
• component,
• fumigant,
• mixture,
• flow,
• sulphide,
• phenomenon,
• buffer,
• body,
• reactant,
• anesthetic,
• substrate,
• monomer,
• waste,
• system,
• contaminant,
• olefin,
• object,
• impurity,
• molecule,
• material,
• salt,
• anaesthetic,
• chemical,
• carrier,
• alkyne,
• form,
• matter,
• constituent,
• state,
• acid,
• mass,
• precursor,