Final answer:
A simile is a comparison using "like" or "as" to create vivid imagery by drawing parallels between unrelated things.
Step-by-step explanation:
A comparison of two unlike things using the words "like" or "as" is known as a simile. A simile is a figure of speech that helps create vivid imagery by drawing parallels between unrelated things. For example, in the sentence "Her eyes sparkled like diamonds," the simile is comparing the brightness of the person's eyes to the brilliance of diamonds.
Learn more about similes