"Tractory" is a word in ENGLISH
tractory
ENGLISH
Definition:
A tractrix.
Few words of positivity
The only person I compete with is Satan. If that happens to be you, then could you please move out of the way? You’re standing in Christ’s spot.
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Laugh your heart out.
When does a hamburger wear a look like a smile button?When somebody says, 'Well done'!
pseudosphere
ENGLISH
The surface of constant negative curvature generated by the revolution of a tractrix. This surface corresponds in non-Euclidian space to …
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ENGLISH
A curve such that the part of the tangent between the point of tangency and a given straight line is …
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