Term: biprism: an optical device for obtaining interference fringes
Broader: optical device: a device for producing or controlling light | Unrelated: arctocephalus: fur seals
Broader: optical device: a device for producing or controlling light | Unrelated: mayoress: a woman mayor
Broader: optical device: a device for producing or controlling light | Unrelated: chimonanthus: small genus of Asian deciduous or evergreen shrubs having fragrant flowers: winter sweet
Broader: optical device: a device for producing or controlling light | Unrelated: dog: informal term for a man
Broader: optical device: a device for producing or controlling light | Unrelated: shrublet: dwarf shrub
Broader: optical device: a device for producing or controlling light | Unrelated: indian cobra: a cobra of tropical Africa and Asia
Broader: optical device: a device for producing or controlling light | Unrelated: ingenue: the role of an innocent artless young woman in a play
Broader: optical device: a device for producing or controlling light | Unrelated: niobium: a soft grey ductile metallic element used in alloys; occurs in niobite; formerly called columbium
Broader: optical device: a device for producing or controlling light | Unrelated: balaclava: a cap that is close-fitting and woolen and covers all of the head but the face
Broader: optical device: a device for producing or controlling light | Unrelated: beta decay: radioactive decay of an atomic nucleus that is accompanied by the emission of a beta particle