Tetragonal is a geometric term that refers to a crystal structure with four equal sides and four right angles. Some synonyms for tetragonal include rectangular, quadrate, and square-shaped. These terms all describe objects or shapes that have four sides or angles, which can be useful in fields like architecture, geometry, and crystallography. Tetragonal can also be used to describe certain types of minerals, like zircon or scheelite, which have this specific crystal structure. Understanding synonyms for tetragonal can help students and professionals broaden their vocabulary and communicate more effectively in their respective fields.