Definitions for vacancyˈveɪ kən si
This page provides all possible meanings and translations of the word vacancy
void, vacancy, emptiness, vacuum(noun)
an empty area or space
"the huge desert voids"; "the emptiness of outer space"; "without their support he'll be ruling in a vacuum"
An unoccupied position or job.
An available room in a hotel; guest house, etc.
Lack of intelligence or understanding.
A defect in a crystal caused by the absence of an atom in a lattice
the quality or state of being vacant; emptiness; hence, freedom from employment; intermission; leisure; idleness; listlessness
that which is vacant
empty space; vacuity; vacuum
an open or unoccupied space between bodies or things; an interruption of continuity; chasm; gap; as, a vacancy between buildings; a vacancy between sentences or thoughts
unemployed time; interval of leisure; time of intermission; vacation
a place or post unfilled; an unoccupied office; as, a vacancy in the senate, in a school, etc
Origin: [Cf. F. vacance.]
In crystallography, a vacancy is a type of point defect in a crystal. Crystals inherently possess imperfections, sometimes referred to as crystalline defects. A defect in which an atom, such as silicon, is missing from one of the lattice sites is known as a 'vacancy' defect. It is also known as a Schottky defect, although in ionic crystals the concepts are not identical. Vacancies occur naturally in all crystalline materials. At any given temperature, up to the melting point of the material, there is an equilibrium concentration. At the melting point of some metals the ratio can be approximately 1:1000. It is the simplest point defect. In this system, an atom is missing from its regular atomic site. Vacancies are formed during solidification due to vibration of atoms, local rearrangement of atoms, plastic deformation and ionic bombardments. The creation of a vacancy can be simply modeled by considering the energy required to break the bonds between an atom inside the crystal and its nearest neighbor atoms.
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