Letter U - By initial dictionary by Futura-Sciences

Alphabetical index

U Symbol commonly used to denote an electrical voltage.	UAC UAC, abbreviation for User Account Control, is a security ...
Ubiquitin Ubiquitin is a small protein used to "label" other ...	UEPS UEPS, Universal Electronic Payment System A banking ...
UHF UHF, Ultra High Frequency, is the frequency band between 300 ...	Ulna The ulna (formerly called the cubitus bone) is part of the ...
Ultrabasic Ultrabasic describes an igneous rock with less than 45% ...	Ultrafiltration Ultrafiltration is a technique for separating elements ...
Ultrasound An ultrasound is a non-invasive investigation involving the ...	Ultraviolet Ultraviolet radiation is electromagnetic radiation with ...
Ulysses The ULYSSES probe is a joint ESA and NASA mission, devoted ...	Umbilical cord In mammals, the umbilical cord is the organ connecting the ...
Umbriel A satellite of Uranus. Umbriel (Uranus II) was discovered by ...	UML Unified Modelling Language, UML, is an object-oriented ...
UMTS Universal Mobile Telecommunications System: the name of the ...	Unbounded universe Hawking designed a quantum model of an unbounded universe, ...
Unbundling Unbundling a local loop means allowing new operators to use ...	Unconformity Unconformity is the superimposing of strata with different ...
Undermining Undermining is the hollowing action of flowing water (sea ...	Undulated green slate Undulated green slate is a metamorphic stone of sedimentary ...
UNEP UNEP is the acronym for the United Nations Environment ...	Unfractionated heparin Unfractionated heparins (which professionals also refer to ...
Uniaxial Uniaxial is a term describing a crystal that has an index ...	Unicode Unicode is an encoding system created in 1998. It specifies ...
Uniport A uniport is a type of transponder protein which only allows ...	Unit cell A unit cell is the smallest volume conserving the ...
Universal time In summer in London to obtain the legal time, 1h must be ...	Unix UNIX is a multi-user, multi-task, operating system developed ...
Unknown An unknown is an indeterminate element whose value or values ...	Unsanitary water Unsanitary water is non potable water. Consumption of ...
Unsaturated polyester Unsaturated polyesters are thermosetting resins widely used ...	Ununoctium Ununoctium is the provisional name for the transuranic ...
Ununseptium Ununseptium is the temporary name for the transuranic ...	Unweighted digital code In an unweighted code, no weighting is assigned to the ...
Unzen Mount Unzen is a Japanese volcano on the island of Kyūshū, ...	Up quark The up quark is a particle of matter. It is one of the six ...
Upload To upload is to transfer data or programs from a local ...	Upwelling Upwelling refers to the rise of deep cold water, rich in ...
Uracil Uracil is a nitrogen base (pyrimidine type with a hexagonal ...	Uranium Uranium, a metal, is a natural element, silvery white in ...