Term: observer: an expert who observes and comments on something
Broader: expert: a person with special knowledge or ability who performs skillfully | Unrelated: welt: a raised or strengthened seam
Broader: expert: a person with special knowledge or ability who performs skillfully | Unrelated: quaternary ammonium compound: a compound derived from ammonium with hydrogen atoms replaced by organic groups; used as surface-active agents, disinfectants, and in drugs
Broader: expert: a person with special knowledge or ability who performs skillfully | Unrelated: immunoglobulin e: one of the five major classes of immunoglobulins; present primarily in the skin and mucous membranes
Broader: expert: a person with special knowledge or ability who performs skillfully | Unrelated: alula: scalelike structure between the base of the wing and the halter of a two-winged fly
Broader: expert: a person with special knowledge or ability who performs skillfully | Unrelated: blazing star: biennial of southwestern United States having white stems and toothed leaves that is grown for its large pale yellow flowers that open in early morning
Broader: expert: a person with special knowledge or ability who performs skillfully | Unrelated: cicada: stout-bodied insect with large membranous wings; male has drum-like organs for producing a high-pitched drone
Broader: expert: a person with special knowledge or ability who performs skillfully | Unrelated: zucchini: marrow squash plant whose fruit are eaten when small
Broader: expert: a person with special knowledge or ability who performs skillfully | Unrelated: horn: a high pommel of a Western saddle (usually metal covered with leather)
Broader: expert: a person with special knowledge or ability who performs skillfully | Unrelated: and circuit: a circuit in a computer that fires only when all of its inputs fire
Broader: expert: a person with special knowledge or ability who performs skillfully | Unrelated: silicone resin: a polymeric silicone compound