Modifiers matching flow:

• volcanic,
• elementary,
• secondary,
• geophysical,
• fluid,
• granular,
• difficult,
• variable,
• industrial,
• spatial,
• heated,
• demographic,
• turbulent,
• pedestrian,
• gaseous,
• violent,
• hot,
• simultaneous,
• long,
• gravitational,
• astrophysical,
• model,
• residual,
• simple,
• natural,
• complex,
• multiphase,
• standard,
• real,
• geometric,
• common,
• environmental,
• ecological,
• internal,
• electric,
• financial,
• shared,
• basic,
• diverse,
• macroscopic,
• open,
• complicated,
• biological,
• optic,
• hydrodynamic,

Simple categories matching gaseous:

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