Morally wrong actions are sometimes necessary to achieve morally right outcomes; actions can be considered morally right or wrong only by virtue of the morality of the outcome.

(physics) the inelastic scattering of photons with subsequent change in frequency and phase; employed in Raman spectroscopy

A piston engine.

(US, numismatics) A gold coin with a face value of $20 formerly used in the United States, the double of the US eagle coin.

Alternative spelling of earcockle

(transitive, idiomatic) To terminate or abolish.

(physics) the splitting and shift of a spectral line into several components in the presence of an electric field

(historical, 1949–1990) A former Communist country of Central Europe between 1949 and 1990, officially called the German Democratic Republic (GDR), capital East Berlin.

Any of several types of internal combustion engine in which the power output is directly rotational.

Education about human sexual anatomy, reproduction, and intercourse and other human sexual behavior.