pons asinorum

[as-uh-nawr-uhm, -nohr-]

pons as·i·no·rum

[as-uh-nawr-uhm, -nohr-]
noun
a geometric proposition that if a triangle has two of its sides equal, the angles opposite these sides are also equal: so named from the difficulty experienced by beginners in mastering it. Euclid, 1:5.

Origin:
1745–55; < Latin pōns asinōrum bridge of asses
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Pons asinorum has a plethora of syllables.
So is supercalifragilisticexpialidocious. Does it mean:
an obscure term ostensibly referring to a lung disease caused by silica dust, sometimes cited as one of the longest words in the English language.
(used as a nonsense word by children to express approval or to represent the longest word in English.)
Collins
World English Dictionary
pons asinorum (ˌæsɪˈnɔːrəm)
 
n
the geometric proposition that the angles opposite the two equal sides of an isosceles triangle are equal
 
[Latin: bridge of asses, referring originally to the fifth proposition of the first book of Euclid, which was considered difficult for students to learn]

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