Modifiers matching atmosphere:

• closed,
• dry,
• inert,
• rich,
• oxidative,
• dense,
• chemical,
• bad,
• extraneous,
• explosive,
• tropical,
• dangerous,
• severe,
• carbonaceous,
• outdoor,
• thick,
• gaseous,
• neutral,
• clean,
• qualified,
• special,
• planetary,
• warm,
• single,
• cool,
• molecular,
• wet,
• alkaline,
• hazardous,
• corrosive,
• harmful,
• heavy,
• smoky,
• active,
• isolated,
• inexpensive,
• flammable,
• reactive,
• vital,
• saturated,
• industrial,
• pure,
• controlled,
• working,
• diffusing,
• dynamic,
• innocuous,
• rarefied,
• solar,
• outer,
• protective,
• surrounding,
• indoor,

Simple categories matching reactive:

• silicide,
• ingredient,
• group,
• metal,
• waste,
• polymer,
• process,
• precursor,
• species,
• gas,
• chemical,
• material,
• mineral,
• experience,
• food,
• agent,
• substance,
• element,
• oxide,
• rock,
• behavior,
• complication,
• atom,
• alkene,
• derivative,
• aldehyde,
• problem,
• compound,
• allergen,
• hydrocarbon,
• sorbent,
• solute,
• constituent,
• emotion,
• fuel,
• foil,
• resin,
• change,
• olefin,
• molecule,
• anhydride,
• residue,
• alloy,
• elements,
• entity,
• passion,
• mixture,
• battery,
• amine,
• mechanism,
• solid,
• cell,
• binder,
• protein,
• medium,
• portion,
• product,
• halogen,
• halide,
• concern,
• diluent,
• radical,
• particle,
• disease,
• measure,
• state,
• system,
• paraffin,
• metabolite,
• fluid,
• carbonyl,
• monomer,
• intermediate,
• surface,
• carbohydrate,
• attitude,
• contaminant,
• impurity,
• adhesive,
• object,
• atmosphere,
• sugar,
• sentiment,
• substrate,
• aggregate,
• coating,
• ketone,
• component,