Adjective
Of or pertaining to a tetragon; having four angles or sides; thus, the square, the parallelogram, the rhombus, and the trapezium are tetragonal fingers.
Having four prominent longitudinal angles.
Designating, or belonging to, a certain system of crystallization; dimetric. See Tetragonal system, under Crystallization.
Source: Webster's dictionaryApplying higher pressure of the order of hundreds or thousands of kilobars induces a series of phase transformations, in particular with a tetragonal phase appearing at about 900 kbar. Source: Internet
At room temperature, protactinium crystallizes in body-centered tetragonal structure which can be regarded as distorted body-centered cubic lattice; this structure does not change upon compression up to 53 GPa. Source: Internet
Below 0.2% carbon, it takes on a ferrite BCC crystal form, but at higher carbon content it takes a body-centered tetragonal (BCT) structure. Source: Internet
In monoclinic, rhombohedral, tetragonal, and trigonal/hexagonal systems there is one unique axis (sometimes called the principal axis) which has higher rotational symmetry than the other two axes. Source: Internet
Recent research showed that only some crystalline facets of tetragonal (beta) Sn are responsible for undesirable electrochemical activity. citation Precautions main Cases of poisoning from tin metal, its oxides, and its salts are almost unknown. Source: Internet
The alloy has a tetragonal structure with a superconductivity transition temperature of −268.3 °C (4.9 K). Source: Internet