The term "nonionised" refers to a substance or compound that lacks an electrical charge because it hasn't lost or gained any electrons. Some synonyms for this term include "neutral", "uncharged", and "nonpolar". These words all describe a substance that is balanced, lacking any positive or negative charges. Other synonyms for nonionised include un-ionised, non-electrolytic, and non-dissociated. These words are often used in scientific research, particularly in the field of chemistry, to describe the properties of various substances. Though these words have different origins, they all describe the same lack of electrical charge and can be used interchangeably.