What is anomanopea?

It seems there might be a typo in your question; you might be referring to "onomatopoeia." Onomatopoeia is a literary device where Words imitate the sounds they represent, such as "buzz," "sizzle," or "clang." This technique enhances descriptions and engages readers by invoking auditory images that complement the text. It is commonly used in poetry, prose, and everyday language to create a vivid sensory experience.