dark material
71Dark Star (band) — This article is about the 1998 2001 rock band. For the electronic music trio, see Darkstar (band). For other groups with similar names, see Dark Star (disambiguation). Dark Star Origin London, England Genres Alternative rock Indie rock… …
72Dark earth — This article is about the archaeological horizon in Britain. For other uses, see Black earth (disambiguation). For the video game by the same name, see Dark Earth (video game). Dark Earth in archaeology is an archaeological horizon often as much… …
73Dark City Sisters — The Dark City Sisters were a South African female vocal group, who formed in 1958 and recorded several hit records in the 1960s, helping usher in a new style of South African music later brought to global prominence by the Mahotella Queens. The… …
74Dark lantern — Lantern Lan tern (l[a^]n t[ e]rn), n. [F. lanterne, L. lanterna, laterna, from Gr. lampth r light, torch. See {Lamp}.] 1. Something inclosing a light, and protecting it from wind, rain, etc.; sometimes portable, as a closed vessel or case of horn …
75dark field illumination — noun a form of microscopic examination of living material by scattered light; specimens appear luminous against a dark background (Freq. 1) • Syn: ↑dark ground illumination • Hypernyms: ↑microscopy …
76dark ground illumination — noun a form of microscopic examination of living material by scattered light; specimens appear luminous against a dark background • Syn: ↑dark field illumination • Hypernyms: ↑microscopy …
77dark matter — noun (cosmology) a hypothetical form of matter that is believed to make up 90 percent of the universe; it is invisible (does not absorb or emit light) and does not collide with atomic particles but exerts gravitational force • Topics: ↑cosmology …
78dark matter — N UNCOUNT Dark matter is material that is believed to form a large part of the universe, but which has never been seen …
79dark matter — noun Astronomy (in some cosmological theories) non luminous material postulated to exist in space …
80The Dark Side of the Moon — This article is about the album by Pink Floyd. For other uses, see Dark side of the Moon. The Dark Side of the Moon …
