hardening


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

hardening

 [hahr´den-ing]
2. the process of making more firm.
hardening of arteries popular term for arteriosclerosis.
work hardening see work hardening.

har·den·ing

(har'den-ing),
1. A condition of lessened reactions to allergens from repeated or prolonged nontherapeutic exposure, similar to hyposensitization.
2. Any procedure in tissue preparation for examinations (for example, sectioning for microscopy) that renders the tissue firmer.

hardening

[här′dəning]
Etymology: AS, heard, hard
2 the procedure of rendering tissue firm, so that it may be more readily cut for purposes of microscopic examination.

hardening

Biochemistry
Hydrogenation of the unsaturated fatty acids in triglycerides into saturated fatty acids.

hard·en·ing

(hahrd'ĕn-ing)
1. A condition of lessened reactions to allergens from repeated or prolonged nontherapeutic exposure, similar to hyposensitization.
2. Any procedure in tissue preparation for examinations, such as sectioning for microscopy, which renders the tissue firmer.

hardening (härˑ·d·ning),

n technique for the cultivation of effective physiologic responsiveness to stress.

hard·en·ing

(hahrd'ĕn-ing)
A condition of lessened reactions to allergens from repeated or prolonged nontherapeutic exposure, similar to hyposensitization.

hardening,

n the process of setting or becoming firm.
hardening, age,
n the precipitation of intermetallic compounds that alters certain physical properties in alloys; usually brought about through heat treatment.
hardening, precipitation,
hardening solution,
hardening, strain,
an increase in proportional limit resulting from distortion of the space lattice and fracture of grain boundaries through cold working. Ductility is markedly reduced.
hardening, work,
n the hardening of a metal by cold work, such as repeated flexing.
References in periodicals archive ?
Making use of the concept of self-similarity provided strikingly simple solutions to general problems involving the indentation of a deformable half-space by a rigid body for materials exhibiting power law hardening and strain rate dependent behavior.
Whole-Shaft Hardening -- An adaptation of a process developed for driveshafts and axles in the '60s, this is the fastest and most efficient way of hardening a camshaft.
The heat caused by friction between the tool and part will be focused on that spot and work hardening can occur.
If a particular system is properly designed but has suffered hose hardening through operation at unduly high temperatures or use of a poor choice of fluid, the following steps are suggested:
Another section looks at the treatment services and contains chapters on work hardening as a therapeutic modality, work hardening through work simulation activities, vocational services planning, and work hardening with survivors of head injuries.
It's possible, say Wassarman and others, that scientists may develop molecular biological techniques to induce zona hardening before fertilization, resulting in a very natural sort of contraception.
I see the market hardening, and we saw it in the last quarter of 1999, when Progressive, Allstate, CNA, Safeco and Harleysville stocks took a bath.
Everest Re can capitalize on what we believe will be a hurricane-related hardening in certain segments of the market.
Center for Policy & Compliance Translates Microsoft Windows 2000, Windows Server 2003 and Windows XP Hardening Guides into Continuous, Enforceable Enterprise Policy
Hardening the internal network is a combination of two things: proactive network management and reactive threat response.
a leading provider of enterprise solutions for hardening the internal network, announced today the availability of the newest version of SecurVantage, a breakthrough product that allows companies and organizations to secure networks beyond the perimeter.