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canonical 

The standard form of a mathmematical equation that can be written in many ways, making it easier to compare to other forms of the same equation.
The canonical sum of products form for representing the boolean function OR is simply A + B
canonical by mkalo June 3, 2004

canonical 

(1) In agreement with the religious law.
(2) In mathematics, the obvious or natural choice.
(1) Canonical Investiture is the act by which a suzerain granted a fief to his vassal.
(2) Let f be the canonical map between X and Y....
canonical by Steve M June 4, 2004

canonical 

someone or something that would be really cool to launch out of a canon.
Yo, that chicken is very canonical.
canonical by shane stahl June 3, 2004

canonical 

Something an obsessed Dr Who fan can pretend is an episode of a television programmes which stopped being made years ago.
Of course "Worzel Gummidge" is canonical.
canonical by kd June 3, 2004

Canonical 

Canonical made the popular Linux distribution known as Ubuntu
Canonical by SteamOS February 9, 2021

canonical example 

An example that follows a principle or rule, which can be in religion, math, music, science, etc., and refers to something reduced to its most basic form.
My professor explained that a gene can become an oncogene by a point mutation that causes the gene to always be turned on. He used Ras as a canonical example of this idea because one point mutation in the Ras gene can result in it being constitutively turned on and leading to cancer.
canonical example by Marweezyyyyy December 14, 2020
More from Urban Dictionary

countrypolitan 

Term used to describe someone who is a mix of both rural (country) and urban (metropolitan) lifestyles/upbringings. He/she is typically equally comfortable in both settings and is able to seamlessly slip back and forth between the two, appreciating the characteristics of each.
That ol' gal of mine drives the 12 lane freeway during the week and a John Deere on the weekends. She likes opra and the Grand Ol' Opry. I love them countrypolitan women.
countrypolitan by MOChick November 7, 2006
Word of the Day on November 1, 2026
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