hardened


Also found in: Dictionary, Thesaurus, Medical, Legal, Financial, Idioms, Wikipedia.

hardened

i. Any structures protected against blast, shock, overpressure, radiation, and, in some cases, nuclear explosion. They may also be protected against biological and chemical warfare. Aircraft pens with a concrete embankment and a top covering are called hardened aircraft shelters.
ii. Avionics protected against electromagnetic pulses and other electromagnetic effects that may degrade them.
iii. Metals are hardened by quenching or cold working.
References in periodicals archive ?
3 : to make or become stubborn or unfeeling <She hardened her heart and refused to forgive him.
Figure 4 shows the molded part surface between a normal hardened steel mold and the mold after treatment.
The Avidia 2200 is only two rack units high and is available in both a hardened and non-hardened chassis for added flexibility.
VC770 is a robust CBN sub-micron grade formulated with 45% CBN and designed for application on interrupted cuts on case hardened steels.
By processing the fillets at the same time the journals were hardened, manufacturers obtained improved fatigue strength in the crankshaft.
As the lava crept down the slope, its front hardened where it hit thick, glacier-filled valleys, forcing the lava to flow along the line of least resistance, usually the ridges between the valleys.
BAE Systems' RG 33 family leverages the best expertise from four decades of designing mine protected and mine hardened vehicles in South Africa, and the company's long history of providing high survivability combat vehicles in the U.
Altera is the first programmable logic company to integrate hardened IEEE 754-compliant, floating-point operators in an FPGA, delivering unparalleled levels of DSP performance, designer productivity and logic efficiency.
A number of such hardened samples was obtained from residential installations in the field.
It is correct that the surface of an ADI part can be hardened by stressing but most of the hardening is done by a mechanism other than work hardening.
Extensive fossil remains of the largest known seabird, weighing close to 90 pounds with a wingspan of between 18 and 19 feet, have been chipped out of a 30-million-year-old block of hardened sand and mud and identified by scientists at the Charleston (S.