densities' (noun)

См. также в других словарях:

• steady state theory — noun (cosmology) the theory that the universe maintains a constant average density with matter created to fill the void left by galaxies that are receding from each other the steady state theory has been abandoned in favor of the big bang theory… …   Useful english dictionary

• microdensitometer — noun Date: 1935 a densitometer for measuring the densities of microscopic areas • microdensitometric adjective • microdensitometry noun …   New Collegiate Dictionary

• microphotometer — noun Etymology: International Scientific Vocabulary Date: 1899 an instrument for measuring the amount of light transmitted or reflected by small areas or for measuring the relative densities of spectral lines on a photographic film or plate •… …   New Collegiate Dictionary

• pycnometer — noun Etymology: Greek pyknos + International Scientific Vocabulary meter Date: 1858 a standard vessel often provided with a thermometer for measuring and comparing the densities of liquids or solids …   New Collegiate Dictionary

• specific gravity — noun Date: 1660 the ratio of the density of a substance to the density of some substance (as pure water) taken as a standard when both densities are obtained by weighing in air …   New Collegiate Dictionary

• quark-gluon plasma — noun a predicted state of matter, containing deconfined quarks and gluons, present in the very early universe (first millionth of a second), and recreated at extremely high energy densities, such as those in the collision of heavy atomic nuclei… …   Wiktionary

• ultramicrofiche — noun A particularly compact microfiche, storing data at significantly higher densities …   Wiktionary

• spin-density wave — noun The low energy, ground state of a metal in which densities of the electron spins and charges follow a regular spatial distribution See Also: charge density wave …   Wiktionary

• ulsterette — noun /ʌlstəˈɹɛt/ A small, lightweight ulster. Alumni of both persuasions were milling everywhere in and out of the lobby, gesturing carelessly with foaming beer steins, sporting hats, spats, and ulsterettes vividly dyed in varying densities of… …   Wiktionary

• microphotometer — noun Any of various photometers used either to measure the variation of densities over small areas, or to measure accurately small changes in illumination …   Wiktionary

• Allee effect — noun The negative population growth observed at low population densities …   Wiktionary