Term: anastigmat: compound lens or lens system designed to be free of astigmatism and able to form approximately point images
Candidate hypernym: optical device: a device for producing or controlling light → 1
Candidate hypernym: propenonitrile: a colorless liquid unsaturated nitrile made from propene → 0
Candidate hypernym: scarecrow: an effigy in the shape of a man to frighten birds away from seeds → 0
Candidate hypernym: ouzo: a Greek liquor flavored with anise → 0
Candidate hypernym: differentiation: the mathematical process of obtaining the derivative of a function → 0
Candidate hypernym: atonement: compensation for a wrong → 0
Candidate hypernym: white poplar: a poplar that is widely cultivated in the United States; has white bark and leaves with whitish undersurfaces → 0
Candidate hypernym: 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 → 0
Candidate hypernym: dictionary definition: a definition that reports the standard uses of a word or phrase or symbol → 0
Candidate hypernym: typhoid bacillus: a form of salmonella that causes typhoid fever → 0
Candidate hypernym: shortening: fat such as butter or lard used in baked goods → 0