nonce-wd. [f. Gr. ἀ priv. + MENTAL, intentionally analogous to a-theistic.] Denying or dispensing with the existence of mind or intelligence.
1877. E. Conder, Basis of Faith, vii. 293. The strict parallel to the atheistic theory of creation would be an amental theory of any art,say painting; showing how the art and its products were evolved by slow historic gradations from the scratches made by passing boulders on the rocks without any intervention of human intellect.