Modifiers matching atmosphere:

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

Simple categories matching alkaline:

• material,
• substance,
• gas,
• mixture,
• byproduct,
• earth,
• buffer,
• solution,
• phosphate,
• fruit,
• cleaner,
• liquor,
• metal,
• food,
• soil,
• rock,
• substrate,
• chemical,
• fungicide,
• compound,
• enzyme,
• stone,
• filler,
• fluid,
• drug,
• vegetable,
• oxide,
• salt,
• mineral,
• shampoo,
• component,
• surface,
• thing,
• condition,
• composition,
• secretion,
• pool,
• activator,
• system,
• constituent,
• contamination,
• particle,
• ion,
• medium,
• azide,
• water,
• atmosphere,
• caustic,
• sorbent,
• stuff,
• matter,
• solid,
• hydroxide,
• lake,
• paper,
• agent,
• residue,
• toiletry,
• solvent,
• waste,
• fluoride,
• structure,
• dentifrice,
• formulation,
• contaminant,
• derivative,
• atom,
• builder,
• deposit,
• magma,