5 words in this vocabulary list
noun a period of great happiness, prosperity, peace, or tranquility
noun a genre of speculative fiction that typically deals with imaginative and futuristic concepts such as advanced science and technology, space exploration, time travel, parallel universes, and extraterrestrial life
noun a particular work of fiction within this genre
noun a cardinal number represented in the U.S. by 1 followed by 27 zeros, and in Great Britain by 1 followed by 48 zeros
noun A fictional small creature in the field of technology, often used in science fiction or fantasy settings.