unionization

• unionisation

From union +‎ -ization.

• IPA^(key): /ˌjuːnjənaɪˈzeɪʃən/

unionization (countable and uncountable, plural unionizations)

1. (politics) The act of forming a labor union.
   • 2022 September 13, Julie Creswell, “Starbucks Shares Shift in Strategy, to Automation and Expansion”, in The New York Times‎:

     Still, the coffee giant, which has been facing a wave of unionization efforts inside stores across the United States, was light on specifics around some of the concerns that have been raised by its employees, like scheduling.

From un- +‎ ionization or unionize +‎ -ation.

• IPA^(key): /ʌnˌaɪənaɪˈzeɪʃən/

unionization (uncountable)

1. (chemistry, rare, nonstandard) Synonym of deionization.
   • 2004, Cherng-ju Kim, “Ionic Equilibrium”, in Advanced Pharmaceutics: Physicochemical Principles, Boca Raton, FL: CRC Press, →ISBN, page 61:

     In this case, the dissociation of the acid and unionization (or hydrolysis) of conjugate salt should be taken into account for calculating [H⁺] [i.e., Equation (2.39)].

   • 2017, Amie D. Brooks, Cynthia Sanoski, Emily R. Hajjar, NAPLEX 2017 Strategies, Practice & Review, page 571:

     The acid or base form is the unionized form and salt form is the ionized form of the corresponding acid or base. Accordingly, ionized and unionized can be substituted in the above equations in order to calculate the amount of ionization or unionization at a particular pH value.

   • 2018, Ranjan Kumar Patel, Conceptual Review of Pharmacology: 3rd Edition, page 2:

     Unionization (lipid solubility) facilitates absorption whereas ionization (water solubility) facilitates excretion of drug.