Term: anastigmat: compound lens or lens system designed to be free of astigmatism and able to form approximately point images
Broader: optical device: a device for producing or controlling light | Unrelated: propenonitrile: a colorless liquid unsaturated nitrile made from propene
Broader: optical device: a device for producing or controlling light | Unrelated: scarecrow: an effigy in the shape of a man to frighten birds away from seeds
Broader: optical device: a device for producing or controlling light | Unrelated: ouzo: a Greek liquor flavored with anise
Broader: optical device: a device for producing or controlling light | Unrelated: differentiation: the mathematical process of obtaining the derivative of a function
Broader: optical device: a device for producing or controlling light | Unrelated: atonement: compensation for a wrong
Broader: optical device: a device for producing or controlling light | Unrelated: white poplar: a poplar that is widely cultivated in the United States; has white bark and leaves with whitish undersurfaces
Broader: optical device: a device for producing or controlling light | Unrelated: jaws of life: hydraulic tool inserted into a wrecked vehicle and used to pry the wreckage apart in order to provide access to people trapped inside
Broader: optical device: a device for producing or controlling light | Unrelated: dictionary definition: a definition that reports the standard uses of a word or phrase or symbol
Broader: optical device: a device for producing or controlling light | Unrelated: typhoid bacillus: a form of salmonella that causes typhoid fever
Broader: optical device: a device for producing or controlling light | Unrelated: shortening: fat such as butter or lard used in baked goods