Category Nuances matching perturbation:

• small,
• electrical,
• environmental,
• local,
• external,
• anthropogenic,
• minor,
• physiological,
• anatomic,
• psychological,
• major,
• uniform,
• uncertain,
• mechanical,
• optical,
• artificial,
• periodic,
• additional,
• therapeutic,
• physical,
• electric,
• mental,
• natural,
• acute,
• random,
• dynamical,
• strong,
• excessive,
• severe,
• novel,
• dynamic,
• related,
• under,
• chemical,
• chronic,

Members for simple category perturbation:

• wind,
• boat_wake,
• strain,
• road_use,
• machine_breakdown,
• dietary_intervention,
• welfare_reform,
• fishing,
• attack,
• semiconductor_fabrication,
• husbandry_issue,
• exercise,
• chemical_attack,
• variation,
• fire,
• asteroid_strike,
• internal_perturbation,
• insulin_injection,
• radiation,
• twist,
• succussion,
• injection,
• uv_radiation,
• third,
• leaf_excision,
• leaflet_tears,
• aircraft_position,
• habitat_disruption,
• war,
• limb_amputation,
• new_medication,
• human_disturbance,
• bridge_construction,
• physical_disturbance,
• substrate_adhesion,
• fall,
• seizure,
• tissue_injury,
• pride,
• envy,
• capsaicin_diet,
• irregularity,
• thermal_disturbance,
• noise_exposure,
• anisotropic_strain,
• small_compression,
• nutrient_loading,
• stretching,
• insect_damage,
• turbulent_wind,
• increased_infiltration,
• ultraviolet_exposure,
• predation,
• injury,
• conductor_movement,
• manufacturing,
• cold_exposure,
• membrane_stretch,
• electromagnetic_radiation,
• manual,
• groove,
• start,
• dam_construction,
• surface_charge,
• glare,
• similar_action,
• breeze,
• geometrical_distortion,
• attitude_control,
• river_engineering,
• scouring,
• jugular_compression,
• burning,
• hormonal_influence,
• temperature_variation,
• friction,
• road_friction,
• disturbance,
• neural_injury,
• agitation,
• lightning_strike,
• uniform_stretching,
• coastal_development,
• circadian_rhythm,
• development,
• irradiation,
• training,
• drug_therapy,
• bush_encroachment,
• activity,
• internal_guidance,
• ligand_binding,
• anthropogenic_influence,
• stellar_wind,
• neuronal_ablation,
• protease_release,
• biological_invasion,
• charge,
• mass,
• compression,
• species_invasion,
• anger,
• strong_wind,
• pattern,
• stretch,
• accidental_fire,
• beaver_activity,
• switching_operations,
• fatigue,
• hydrostatic_compression,
• pig_activity,
• physical_constraint,
• ischemic_injury,
• avarice,
• repeated_exercise,
• addition,
• intense_fire,