any of several ducks having dusky or black plumage, as Anas rubripes, of the northeastern U.S. and Canada.
See under white dwarf. a star, approximately the size of the earth, that has undergone gravitational collapse and is in the final stage of evolution for low-mass stars, beginning hot and white and ending cold and dark (black dwarf) noun one of a large class of small faint stars of enormous density (on average 108 […]
noun that portion of the income of a nation that remains illegally undeclared either as a result of payment in kind or as a means of tax avoidance
Also called African American Vernacular English, African American English, Afro-American English, Black English Vernacular, Black Vernacular English.a dialect of American English characterized by pronunciations, syntactic structures, and vocabulary associated with and used by some North American black people and exhibiting a wide variety and range of forms varying in the extent to which they differ […]
Black English (def 1). Abbreviation: BEV.