(grammar, rare) the uninflected form or stem of a word

(idiomatic) According to one's nature; as expected.

plural of forme fruste

Poorly formed. / (linguistics, computing) Not well-formed.

Synonym of term of address

present participle of re-form

simple past tense and past participle of re-form

(mathematics) A complex analytic function satisfying a certain kind of functional equation with respect to the group action of the modular group, and also satisfying a growth condition.

(mathematics) A kind of modular form with a zero constant coefficient in the Fourier series expansion.

(mathematics, algebra) a quadratic equation in the form y=a(x-h)²+k