monidimensional
The term "monidimensional" refers to something that has only one dimension. In the context of mathematics, a monidimensional object is a line, which has length but no width or height. In the context of data analysis, a monidimensional dataset is one that contains only one variable or attribute, making it a single-dimensional array of data. In the context of psychology, a monidimensional personality theory posits that all personality traits can be reduced to a single underlying dimension. The term is often used in contrast to "multidimensional," which refers to something that has multiple dimensions.