"time constant" meaning in English

See time constant in All languages combined, or Wiktionary

Noun

Forms: time constants [plural]
Head templates: {{en-noun}} time constant (plural time constants)
  1. (mathematics) A characteristic of an exponential function, represented by τ in the function: Categories (topical): Mathematics, Radioactivity Translations (math: characteristic of exponential function): aikavakio (Finnish)
    Sense id: en-time_constant-en-noun-HlHo3vIL Disambiguation of Radioactivity: 31 38 31 Categories (other): English entries with incorrect language header, Physical quantities Disambiguation of English entries with incorrect language header: 41 16 43 Disambiguation of Physical quantities: 24 34 42 Topics: mathematics, sciences Disambiguation of 'math: characteristic of exponential function': 81 6 14
  2. (physics) The time in which a physical system's response to a step-wise change in an external variable reaches approximately 63% of its final (asymptotic) value. Categories (topical): Physics, Radioactivity, Time Translations (physics: characteristic of step response): aikavakio (Finnish)
    Sense id: en-time_constant-en-noun-9JwyB9za Disambiguation of Radioactivity: 31 38 31 Disambiguation of Time: 0 99 1 Categories (other): English entries with incorrect language header, Physical quantities Disambiguation of English entries with incorrect language header: 41 16 43 Disambiguation of Physical quantities: 24 34 42 Topics: natural-sciences, physical-sciences, physics Disambiguation of 'physics: characteristic of step response': 40 54 6
  3. For radioactivity: the decay constant. Categories (topical): Radioactivity
    Sense id: en-time_constant-en-noun-WS-N9U8E Disambiguation of Radioactivity: 31 38 31 Categories (other): English entries with incorrect language header, Physical quantities Disambiguation of English entries with incorrect language header: 41 16 43 Disambiguation of Physical quantities: 24 34 42

Inflected forms

Download JSON data for time constant meaning in English (4.1kB)

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This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2024-04-26 from the enwiktionary dump dated 2024-04-21 using wiktextract (93a6c53 and 21a9316). The data shown on this site has been post-processed and various details (e.g., extra categories) removed, some information disambiguated, and additional data merged from other sources. See the raw data download page for the unprocessed wiktextract data.

If you use this data in academic research, please cite Tatu Ylonen: Wiktextract: Wiktionary as Machine-Readable Structured Data, Proceedings of the 13th Conference on Language Resources and Evaluation (LREC), pp. 1317-1325, Marseille, 20-25 June 2022. Linking to the relevant page(s) under https://kaikki.org would also be greatly appreciated.