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Parent Categories

entity go
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)

physical entity go
an entity that has physical existence

object, physical object go
a tangible and visible entity

whole, unit go
an assemblage of parts that is regarded as a single entity

artifact, artefact go
a man-made object taken as a whole

instrumentation, instrumentality go
an artifact (or system of artifacts) that is instrumental in accomplishing some end

device go
an instrumentality invented for a particular purpose

instrument go
a device that requires skill for proper use

arm, weapon, weapon system go
any instrument or instrumentality used in fighting or hunting

weapon of mass destruction, WMD, W.M.D. go
a weapon that kills or injures civilian as well as military personnel (nuclear and chemical and biological weapons)

chemical weapon go
chemical substances that can be delivered using munitions and dispersal devices to cause death or severe harm to people and animals and plants

poison gas
a gas that is poisonous to breath or contact

noun.substance

2 Subcategories

mustard gas, mustard agent, blistering agent, dichloroethyl sulfide, sulfur mustard go
a toxic war gas with sulfide based compounds that raises blisters and attacks the eyes and lungs
nerve gas, nerve agent go
a toxic gas that is inhaled or absorbed through the skin and has harmful effects on the nervous and respiratory system