TERMIUM Plus®
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TIME CONSTANT [6 records]
Record 1 - internal organization data 2014-04-04
Record 1, English
Record 1, Subject field(s)
- Physics
- Electrical Engineering
- Informatics
Record 1, Main entry term, English
- time constant
1, record 1, English, time%20constant
correct
Record 1, Abbreviations, English
- TC 2, record 1, English, TC
correct
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
The time required for a given physical quantity in a system to reach 63.2% (1-1/e) of the change from a given initial value and a given final value. 3, record 1, English, - time%20constant
Record number: 1, Textual support number: 1 OBS
For a specific application, see "RC time constant." 3, record 1, English, - time%20constant
Record 1, Key term(s)
- mechanical time constant
Record 1, French
Record 1, Domaine(s)
- Physique
- Électrotechnique
- Informatique
Record 1, Main entry term, French
- constante de temps
1, record 1, French, constante%20de%20temps
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Temps au bout duquel une grandeur variant de façon exponentielle dans le temps atteint 63,2 % (1-1/e) de valeur de l'écart à combler entre la valeur initiale et la valeur finale. 2, record 1, French, - constante%20de%20temps
Record number: 1, Textual support number: 1 OBS
Symbole littéral : lettre tau (grecque) minuscule. 2, record 1, French, - constante%20de%20temps
Record 1, Key term(s)
- constante de temps mécanique
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Física
- Electrotecnia
- Informática
Record 1, Main entry term, Spanish
- constante de tiempo
1, record 1, Spanish, constante%20de%20tiempo
correct, feminine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2009-03-01
Record 2, English
Record 2, Subject field(s)
- Nuclear Fission Reactors
- Atomic Physics
- Nuclear Power Stations
Record 2, Main entry term, English
- reactor time constant
1, record 2, English, reactor%20time%20constant
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
- reactor period 2, record 2, English, reactor%20period
obsolete
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
Time required for the neutron flux density in a reactor to change by a factor e [= 2.718...] when the flux density is rising or falling exponentially. [Definition standardized by ISO.] 3, record 2, English, - reactor%20time%20constant
Record 2, Key term(s)
- time constant
- period
Record 2, French
Record 2, Domaine(s)
- Réacteurs nucléaires de fission
- Physique atomique
- Centrales nucléaires
Record 2, Main entry term, French
- constante de temps d'un réacteur
1, record 2, French, constante%20de%20temps%20d%27un%20r%C3%A9acteur
correct, feminine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
- période d'un réacteur 2, record 2, French, p%C3%A9riode%20d%27un%20r%C3%A9acteur
feminine noun, obsolete
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
Temps nécessaire pour que la densité de flux de neutrons dans un réacteur varie d'un facteur e [= 2,718...] lorsque le flux augmente ou diminue de façon exponentielle. [Définition normalisée par l'ISO.] 3, record 2, French, - constante%20de%20temps%20d%27un%20r%C3%A9acteur
Record 2, Key term(s)
- constante de temps
Record 2, Spanish
Record 2, Campo(s) temático(s)
- Reactores nucleares de fisión
- Física atómica
- Centrales nucleares
Record 2, Main entry term, Spanish
- constante de tiempo del reactor
1, record 2, Spanish, constante%20de%20tiempo%20del%20reactor
proposal, feminine noun
Record 2, Abbreviations, Spanish
Record 2, Synonyms, Spanish
- período del reactor 2, record 2, Spanish, per%C3%ADodo%20del%20reactor
masculine noun, obsolete
Record 2, Textual support, Spanish
Record 3 - internal organization data 2004-09-24
Record 3, English
Record 3, Subject field(s)
- Weather Stations and Meteorological Instruments and Equipment
Record 3, Main entry term, English
- time constant
1, record 3, English, time%20constant
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
- lag coefficient 1, record 3, English, lag%20coefficient
Record 3, Textual support, English
Record number: 3, Textual support number: 1 DEF
The relaxation time of an instrument. 2, record 3, English, - time%20constant
Record number: 3, Textual support number: 1 OBS
In the general case for instruments such as thermometers, with responses exponential in character to step changes in an applied signal, the time constant is equal to the time required for the instrument to indicate 63.2% of the total change, that is, the time to respond to all but 1/e of the original signal change. 2, record 3, English, - time%20constant
Record 3, French
Record 3, Domaine(s)
- Stations, instruments et équipements météorologiques
Record 3, Main entry term, French
- constante de temps
1, record 3, French, constante%20de%20temps
correct, feminine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
- retard chronologique 1, record 3, French, retard%20chronologique
masculine noun
Record 3, Textual support, French
Record number: 3, Textual support number: 1 DEF
Temps de repos d'un appareil. 1, record 3, French, - constante%20de%20temps
Record 3, Spanish
Record 3, Textual support, Spanish
Record 4 - internal organization data 1998-06-15
Record 4, English
Record 4, Subject field(s)
- Anesthesia and Recovery
Record 4, Main entry term, English
- time constant
1, record 4, English, time%20constant
correct
Record 4, Abbreviations, English
Record 4, Synonyms, English
Record 4, Textual support, English
Record 4, French
Record 4, Domaine(s)
- Anesthésie et réanimation
Record 4, Main entry term, French
- constante de temps
1, record 4, French, constante%20de%20temps
correct, feminine noun
Record 4, Abbreviations, French
Record 4, Synonyms, French
Record 4, Textual support, French
Record number: 4, Textual support number: 1 DEF
Temps au bout duquel un processus à variation exponentielle a atteint 63 % de sa valeur finale. 1, record 4, French, - constante%20de%20temps
Record number: 4, Textual support number: 1 OBS
Extrait de la norme NF-S90-100 reproduite avec l'autorisation de l'AFNOR. 2, record 4, French, - constante%20de%20temps
Record 4, Spanish
Record 4, Textual support, Spanish
Record 5 - internal organization data 1998-05-13
Record 5, English
Record 5, Subject field(s)
- Analytical Chemistry
- Chemistry
Record 5, Main entry term, English
- time constant
1, record 5, English, time%20constant
correct
Record 5, Abbreviations, English
Record 5, Synonyms, English
Record 5, Textual support, English
Record number: 5, Textual support number: 1 OBS
[In an electrical measuring system for flame spectroscopy], the time needed for the reactant to reach a specified fraction of its final value if the photodetector is suddenly exposed to the radiation flux. If this fraction is chosen to be (1 -1/e = 0.63, the response time is called the time constant. 1, record 5, English, - time%20constant
Record 5, French
Record 5, Domaine(s)
- Chimie analytique
- Chimie
Record 5, Main entry term, French
- constante de temps
1, record 5, French, constante%20de%20temps
correct, feminine noun
Record 5, Abbreviations, French
Record 5, Synonyms, French
Record 5, Textual support, French
Record number: 5, Textual support number: 1 OBS
[Dans un système de mesure électrique d'un spectromètre à flamme], temps nécessaire pour que le résultat numérique atteigne une fraction précisée de sa valeur finale quand on soumet brusquement le photodétecteur au flux de rayonnement. Si la fraction choisie est (1 -1/e, soit 0,63, le temps de réponse est appelé constante de temps. 2, record 5, French, - constante%20de%20temps
Record 5, Spanish
Record 5, Textual support, Spanish
Record 6 - internal organization data 1992-12-31
Record 6, English
Record 6, Subject field(s)
- Weather Stations and Meteorological Instruments and Equipment
Record 6, Main entry term, English
- time constant
1, record 6, English, time%20constant
correct
Record 6, Abbreviations, English
Record 6, Synonyms, English
- lag coefficient 2, record 6, English, lag%20coefficient
Record 6, Textual support, English
Record number: 6, Textual support number: 1 DEF
The time required for an instrument to indicate a given percentage of the final reading resulting from an input signal. 3, record 6, English, - time%20constant
Record 6, French
Record 6, Domaine(s)
- Stations, instruments et équipements météorologiques
Record 6, Main entry term, French
- constante de temps
1, record 6, French, constante%20de%20temps
correct, feminine noun
Record 6, Abbreviations, French
Record 6, Synonyms, French
- retard chronologique 2, record 6, French, retard%20chronologique
masculine noun
Record 6, Textual support, French
Record number: 6, Textual support number: 1 DEF
Temps nécessaire à un instrument pour indiquer un pourcentage donné de la lecture finale résultant d'un signal d'entrée. 3, record 6, French, - constante%20de%20temps
Record 6, Spanish
Record 6, Campo(s) temático(s)
- Estaciones, instrumentos y equipos meteorológicos
Record 6, Main entry term, Spanish
- constante de tiempo
1, record 6, Spanish, constante%20de%20tiempo
feminine noun
Record 6, Abbreviations, Spanish
Record 6, Synonyms, Spanish
Record 6, Textual support, Spanish
Record number: 6, Textual support number: 1 DEF
Tiempo necesario para que un instrumento indique un porcentaje determinado de la lectura final resultante de una señal de entrada. 1, record 6, Spanish, - constante%20de%20tiempo
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