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v. tem·pered, tem·per·ing, tem·pers
1. To modify by the addition of a moderating element; moderate: "temper its doctrinaire logic with a little practical wisdom" (Robert H. Jackson). See Synonyms at moderate.
2. To bring to a desired consistency, texture, hardness, or other physical condition by blending, admixing, or kneading: temper clay; paints that had been tempered with oil.
3. To harden or strengthen (metal or glass) by application of heat or by heating and cooling.
4. To strengthen through experience or hardship; toughen: soldiers who had been tempered by combat.
5. Music To adjust (the pitch of an instrument) to a temperament.
To be or become tempered.
1. A state of mind or emotion; disposition: an even temper.
2. Calmness of mind or emotions; composure: lose one's temper.
a. A tendency to become easily angry or irritable: a quick temper.
b. Anger; rage: a fit of temper.
4. A characteristic general quality; tone: heroes who exemplified the medieval temper; the politicized temper of the 1930s.
a. The condition of being tempered.
b. The degree of hardness and elasticity of a metal, chiefly steel, achieved by tempering.
6. A modifying substance or agent added to something else.
7. Archaic A middle course between extremes; a mean.

[Middle English temperen, from Old English temprian, from Latin temperāre, probably from variant of tempus, tempor-, time, season.]

tem′per·a·bil′i·ty n.
tem′per·a·ble adj.
tem′per·er n.


(Metallurgy) metallurgy the hardening of a metal by means of heat treatment
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.tempering - hardening something by heat treatmenttempering - hardening something by heat treatment
hardening - the act of making something harder (firmer or tighter or more compact)
Adj.1.tempering - moderating by making more temperate
moderating - lessening in intensity or strength


[ˈtɛmprɪŋ] n (of metal) → tempera
References in classic literature ?
Robin thought at first that he could hack the cudgel to pieces, for his blade was one of Toledo--finely tempered steel which the Queen had given him.
By his side he hung a good broadsword of tempered steel, the bluish blade marked all over with strange figures of dragons, winged women, and what not.
He pressed its hand, and kissed the sarcastic, savage face that every one else shrank from contemplating; and bemoaned him with that strong grief which springs naturally from a generous heart, though it be tough as tempered steel.
On the other hand, the eyes themselves were alight and alert as ever; they were still keen and gray and gleaming, like finely tempered steel.
Conscious of his own infirmity -- that his tempered steel and elasticity are lost -- he for ever afterwards looks wistfully about him in quest of support external to himself.
4410j5 range 122-400 mm with locking device can be released with replaceable tips made of tempered steel, black powder coated make-knipex,snapon,william.
Amit Shah: A case study in mindcraft and machinations -- those deadpan eyes behind powered glasses almost belying the inner mental core of tempered steel.
Colonel Kasler's exploits were captured in Tempered Steel, a biography written by Perry D.
In addition, the versions with diameter 16, 24 and 32 mm are provided with a special bimetallic insert in titanium and tempered steel inside the tip group, thus allowing a wider area of contact with the mould.
The steam accumulators are high pressure vessels being manufactured with a critical grade of quenched and tempered steel, the likes of which are used in the manufacture of some of the most critical equipment for nuclear power plants.
Louisiana-headquartered Edgen offers steel pipes, valves, quenched and tempered steel, heavy plate and related components to the energy and infrastructure markets.
The properties of the tempered steel are primarily determined by the size, shape, composition and distribution of the carbide that forms with a relatively minor contribution from the solid solutions hardening of the ferrite.