different between disconnection vs variance

English

Alternative forms

• disconnexion (dated)

Etymology

dis- +? connection

Pronunciation

• IPA^(key): /d?sk??n?k??n/
• Rhymes: -?k??n

Noun

disconnection (countable and uncountable, plural disconnections)

1. Severance of a physical connection.

   The disconnection of the power cable shut down all the computers.

2. Unexpected termination of a telephone connection.

   A sudden disconnection cut me off in mid-phrase.

3. Absence of rapport; the nonexistence of, or a breakdown of, effective communication.

   There was a hopeless disconnection between the weary, old teacher and the spirited, young students.

Synonyms

• disconnect (noun)

Translations

References

• “disconnection” in Dictionary.com Unabridged, Dictionary.com, LLC, 1995–present.

English

Alternative forms

• variaunce (obsolete)
• var (abbreviation)

Etymology

From Middle English variance, variaunce, from Old French variance or directly from Anglo-Latin variaunce, veriaunce, wariaunce; all from Latin variantia.

Pronunciation

• (UK) IPA^(key): /?v???i.?ns/
• (US) IPA^(key): /?væ?i.?nts/ (Mary–marry–merry distinction)
• (US) IPA^(key): /?v??i.?nts/ (Mary–marry–merry merger)

Noun

variance (countable and uncountable, plural variances)

1. The act of varying or the state of being variable.
2. A difference between what is expected and what is observed; deviation.
3. The state of differing or being in conflict.
4. An official permit to do something that is ordinarily forbidden by regulations.
5. (law) A discrepancy between two legal documents.
6. (law) A departure from a cause of action originally in a complaint.
8. (statistics) The second central moment in probability.
9. (physics, chemistry, biology) The number of degrees of freedom in a system.
10. (computing, programming) Covariance and contravariance generally.

    Depending on the variance of the type constructor, the subtyping relation of the simple types may be either preserved, reversed, or ignored for the respective complex types.

Derived terms

Translations

French

Etymology

From Latin variantia.

Pronunciation

• IPA^(key): /va.?j??s/
• Rhymes: -??s

Noun

variance f (plural variances)

1. variance

Further reading

• “variance” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).