c1800 Proc. & Deb Parl. Pimlico No. 10. 4/1 They will rue, like the unionized Polanders,..the ideotcy of this night's infatuation.

c1800 Proc. & Deb Parl. Pimlico No. 17. 3/1 Oxmantown, or its unionized provinces.

1833 Irish Monthly Mag. Aug. 215 The unionised Norman Isles ‘should contribute their fair proportion to relieve the necessities of the empire at large’.

1834 Caledonian Mercury 8 Feb. Bands of the unionized printers made their appearance..and attempted to force entrances, for the purpose of ousting the newly employed workmen.

1897 Reformed Church Rev. July 314 If in such times the unionist secures his wage rate, no device known will secure him work, so that the unionized workman is thrust into a lower scale of living.

1900 Amer. Review of Reviews 21 651 This year the strikes were notably successful—New England papers reporting that nearly every ‘unionized’ town in that section has now the eight-hour workday for..building trades workmen.

1920 A. C. Pigou Econ. of Welfare iii. iv. 388 The facts..do not warrant us in supposing that local non-governmental Boards would fail if tried on the less completely unionised soil of the Continent.

1984 Guardian 5 Nov. 6/5 Mr Mondale's day started early yesterday with church in Memphis, just as it began on Saturday among unionised car workers outside Detroit.

2011 New Yorker 17 Jan. 24/3 In heavily unionized industries, non-union employers had to pay their workers better in order to fend off unionization.

1897 Chem. News 8 Oct. 175/1 We have in a solution of ammonium phosphate a considerable concentration of free ammonium hydroxide, both in the ionised and unionised condition.

1925 Sci. Monthly Dec. 643 The ions of the air are constantly disappearing, and the air would soon be in a neutral or un-ionized state unless a new supply of ions was constantly available.

1962 D. H. Calam in A. Pirie Lens Metabolism 439 At the low pH employed, only strongly acidic groups remain charged, most of the carboxyl groups are unionized.

2008 K. R. Reddy & R. D. DeLaune Biogeochem. Wetlands viii. 261 Unionized ammonia in its gaseous form can be transported from soil and water column to the atmosphere.