in·vert·ible /ɪnˈvɝtəbəl/
可逆的
invertible
可逆
In·vert·i·ble a.
1. Capable of being inverted or turned inside out.
2. Chem. Capable of being changed or converted; as, invertible sugar.
In·vert·i·ble, a. Incapable of being turned or changed.
An indurate and invertible conscience. --Cranmer.
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invertible
adj : having an additive or multiplicative inverse [ant: non-invertible]