One-seed is a term that is commonly used in the realm of botany to describe plants that produce a single seed in each fruit or cone. However, there are several synonyms for the word one-seed that can be used to describe plants that fall under this category. Some of these synonyms include monospermous, unispermous, and monoembryonic. Each of these terms describes the same thing, which is the production of only one seed in a single fruit or cone. Whether you're a botanist or simply interested in plant life, knowing these synonyms can help you better understand the properties of one-seed plants.