Term: agent: a substance that exerts some force or effect
Broader: physical entity: an entity that has physical existence | Unrelated: reaction: a response that reveals a person's feelings or attitude
Broader: physical entity: an entity that has physical existence | Unrelated: safe sex: sexual activity (especially sexual intercourse) with the use of measures (such as latex condoms) to avoid the transmission of disease (especially AIDS)
Broader: physical entity: an entity that has physical existence | Unrelated: amphisbaena: type genus of the Amphisbaenidae
Broader: physical entity: an entity that has physical existence | Unrelated: esselen: a member of a North American Indian people living on the California coast near Monterey
Broader: physical entity: an entity that has physical existence | Unrelated: dace: small European freshwater fish with a slender bluish-green body
Broader: physical entity: an entity that has physical existence | Unrelated: siberian husky: breed of sled dog developed in northeastern Siberia; they resemble the larger Alaskan malamutes
Broader: physical entity: an entity that has physical existence | Unrelated: carolina hemlock: medium-sized evergreen of southeastern United States having spreading branches and widely diverging cone scales
Broader: physical entity: an entity that has physical existence | Unrelated: lame duck: an elected official still in office but not slated to continue
Broader: physical entity: an entity that has physical existence | Unrelated: detumescence: diminution of swelling; the subsidence of anything swollen
Broader: physical entity: an entity that has physical existence | Unrelated: billion: the number that is represented as a one followed by 9 zeros