"Quadratic" is a word in ENGLISH

quadratic ENGLISH
Definition:

Tetragonal.

quadratic ENGLISH
Definition:

Pertaining to terms of the second degree; as, a
quadratic equation, in which the highest power of the unknown quantity
is a square.

quadratic ENGLISH
Definition:

Of or pertaining to a square, or to squares; resembling
a quadrate, or square; square.

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tetragon ENGLISH

A plane figure having four sides and angles; a quadrangle, as a square, a rhombus, etc.

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tetragonal ENGLISH

Of or pertaining to a tetragon; having four angles or sides; thus, the square, the parallelogram, the rhombus, and the …

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