Term: optical bench: apparatus for observation and measurement of optical phenomena
Broader: apparatus: equipment designed to serve a specific function | Unrelated: hottentot bread: thick edible rootstock of elephant's-foot
Broader: apparatus: equipment designed to serve a specific function | Unrelated: unionization: act of forming labor unions
Broader: apparatus: equipment designed to serve a specific function | Unrelated: sundacarpus amara: a large fast-growing monoecious tropical evergreen tree having large glossy lanceolate leaves; of rain forests of Sumatra and Philippines to northern Queensland
Broader: apparatus: equipment designed to serve a specific function | Unrelated: solidarity: a union of interests or purposes or sympathies among members of a group
Broader: apparatus: equipment designed to serve a specific function | Unrelated: thermoreceptor: a sensory receptor that responds to heat and cold
Broader: apparatus: equipment designed to serve a specific function | Unrelated: territorial: a territorial military unit
Broader: apparatus: equipment designed to serve a specific function | Unrelated: royalty: royal persons collectively
Broader: apparatus: equipment designed to serve a specific function | Unrelated: scyphozoa: coelenterates in which the polyp stage is absent or at least inconspicuous: jellyfishes
Broader: apparatus: equipment designed to serve a specific function | Unrelated: lisle: a fabric woven with lisle thread
Broader: apparatus: equipment designed to serve a specific function | Unrelated: california four o'clock: California four o'clock with purple-red flowers