INVENTION - pronunciation and meaning. This video helps you learn the word INVENTION. It includes pronunciation, spelling, sample sentences, definition and parts of speech. This word is suitable for students in grade 6. There are several grade 6 reading passages such as The Story of Albert Einstein - Author Unknown, that use the word INVENTION. You can learn additional grade 6 words and answer interactive quizzes by visiting https://www.lumoslearning.com/a/g6-words