[f. CONJUGATE a.: see -ACY.]
† 1. Conjugal or married state. Obs. rare1.
1659. Gauden, Tears of Church, 355 (D.). Church-men in England not onely in their Papal Celibacy, but in their Primitive and later Conjugacy.
2. Conjugate relation.
1881. Maxwell, Electr. & Magn., I. 192. If one of the harmonics is zonal, the condition of conjugacy is that the value of the other harmonic at the pole of the zonal harmonic must be zero.