Simple categories matching deleterious:

• fluid,
• material,
• contaminant,
• activity,
• substance,
• compound,
• event,
• condition,
• peroxide,
• constituent,
• component,
• trait,
• defect,
• mineral,
• surface,
• particle,
• agent,
• rock,
• attack,
• matter,
• zone,
• item,
• metal,
• gas,
• deposit,
• habit,
• contamination,
• process,
• salt,
• anion,
• chemical,

Members with property deleterious:

• oil,
• metal,
• weathered_rock,
• axonal_neuropathy,
• garbage,
• alkali,
• clay_particle,
• shale,
• oxide,
• organic_impurity,
• coal_pyrites,
• inflammation,
• soluble_sulfate,
• hormone,
• pesticide,
• acid,
• poverty,
• particulate,
• net_washing,
• oxygen,
• industrial_particle,
• overuse,
• ototoxic_drug,
• grease,
• sarin_gas,
• organic_material,
• hydrogen,
• bitumen,
• dust,
• ammonia,
• sulfate,
• clay,
• brine,
• lint,
• chlorine,
• rumen_acidosis,
• construction_debris,
• nitrate,
• corrosion,
• arsenic,
• oversize_material,
• lead_nitrate,
• saltwater,
• hypertension,
• mine_effluent,
• sandstone,
• wood_stick,
• hydrocarbon,
• dioxin,
• airborne_pollutant,
• wash_water,
• mud,
• serum_deprivation,
• nuclease_digestion,
• gasoline,
• behavior_problem,
• toxin,
• ischemic_injury,
• asbestos,
• sickle-cell_anemia,
• chronic_stress,
• coolant,
• power_struggle,
• saline_soil,
• trauma,
• allergen,
• acetaldehyde,
• hypovolemia,
• iron_stone,
• volatile_sulfide,
• ash,
• inbreeding,
• pollutant,
• scale_formation,
• fuel,
• hydraulic_fluid,
• heavy_metal,
• sediment,
• quartz,
• smoking,
• toxic_substance,
• cadmium,
• chemotherapeutic_drug,
• benzene,
• urease,
• chalcedony,
• catecholamine,
• preservative,
• propulsion_fuel,
• similar_material,
• lectin,
• iron_oxide,
• coal,
• formic_acid,
• sod,
• wood,
• antibiotic,
• copper,
• wax,
• dirt,
• schist,
• trash,
• coated_grain,
• alcohol_use,
• halide_ion,
• drug_use,
• sealant,
• soft_material,
• acrylamide,
• chemical,
• lipid_peroxide,
• mercury,
• stone,
• engine_oil,
• halide,
• chip,
• neglect,
• radon,
• alkaloid,
• flintstone,
• weed_seed,
• wood_preservative,
• lead,
• asbestos_fiber,
• debris,
• burning,
• slate,
• foreign_material,
• adhesion,
• ethylene,
• paint,
• genetic_disease,
• silica_alumina,
• sun,
• mold,
• apoptosis,
• ore,
• pyridine,
• sawdust,
• bacteriophage,
• conglomerate,
• disposal,
• iron,
• antifungal_compound,
• soft_sandstone,
• bacterial_virus,
• benzol,
• desiccation,
• sodium_oxide,
• residual_hydrocarbon,
• soil,
• organic,
• carcinogen,
• osmotic_stress,
• toluene,
• pyrrhotite,
• glue,
• reactive_oxygen,
• silicate,
• friable_particle,
• chromite,
• scale_deposition,
• amorphous_silica,
• animal_drug,
• methane,
• prostaglandin,
• scratch,
• nitric_acid,
• alcohol,
• elective_ischemia,
• lignite,
• nitrogen,
• water,
• plaster,
• magnesium,
• herbicide,
• phosphorus,
• solvent,
• clay_stone,
• rubbish,
• drug,
• sulphate,
• fertilizer,
• chocolate_rock,
• chert,
• mica,
• carbon,
• friable_granite,
• flaky_particle,
• excited_state,
• tremolite,
• cyanide,
• chalk,
• silica,
• loam,
• formaldehyde,
• hyperactivity,
• road_chemical,
• oil_exploration,
• toluene_formaldehyde,
• sulfur,
• ear_exostosis,
• nutrient,
• reactive_sulphide,
• packaging_material,
• ozone,
• tobacco,
• opal,
• tar,
• cocaine,
• mental_illness,
• peroxide,
• paint_thinner,
• ochre,
• pyrite,
• phenol,
• lightweight_particle,
• germicide,
• silt,
• saponin,
• shell,
• child_labour,
• shell_deformity,
• cancer,
• topsoil,
• petroleum_product,
• recreational_drug,
• grout,
• rain,
• wood_acid,
• microbial_adhesion,
• detergent,
• oxidative_stress,
• brain_injury,
• air,
• salt,
• blow,
• sand,
• virus,
• inflammatory_cytokine,
• stick,
• cytokine,
• soluble_salt,
• anoxia,
• insecticide,
• asthma,
• antimony,
• porous_chert,
• gypsum,
• rock,
• carbonate,
• chloride,
• actinolite,
• unsound_chert,
• atherosclerosis,
• acetic_acid,
• phosphate,
• fluid,
• fluoride,
• kaolinite,
• sulfate_attack,
• drainage,
• pyrites,
• sea_shell,
• siltstone,
• diabetes,
• nicotine,
• lysis,
• gravel,
• carbonaceous_material,
• earth,
• tannin,
• iron_sulfide,
• sulfide,
• magnesium_silicate,