different between controversy vs variance

English

Etymology

From Old French controversie, from Latin contr?versia (“debate, contention, controversy”), from contr?versus (“turned in an opposite direction”).

Pronunciation

• (UK) now more common: IPA^(key): /k?n?t??v?si/, more traditional: IPA^(key): /?k?nt???v??si/
• (US, Canada) IPA^(key): /?k?nt???v?si/

Noun

controversy (countable and uncountable, plural controversies)

1. A debate or discussion of opposing opinions; (generally) strife.

   Synonyms: see Thesaurus:dispute

Derived terms

• controversial

Related terms

• controversialist
• controvert
• controverter
• controvertible

Translations

References

Further reading

• controversy in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
• controversy in The Century Dictionary, New York, N.Y.: The Century Co., 1911.
• controversy at OneLook Dictionary Search

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).