What does the prefix "mono-" signify?

The prefix "mono-" signifies the idea of "one." This prefix is commonly used in various English words to indicate singularity or a single unit of something. For example, "monocle" refers to a single lens for correcting vision in one eye, and "monologue" refers to a speech delivered by one person. Understanding the meaning of prefixes like "mono-" is crucial in interpreting many terms used in both technical and everyday language, especially in fields like medicine, chemistry, and philosophy. This foundational knowledge aids in grasping more complex concepts as they often build on basic terms.