Hello, you have come here looking for the meaning of the word accretion disk. In DICTIOUS you will not only get to know all the dictionary meanings for the word accretion disk, but we will also tell you about its etymology, its characteristics and you will know how to say accretion disk in singular and plural. Everything you need to know about the word accretion disk you have here. The definition of the word accretion disk will help you to be more precise and correct when speaking or writing your texts. Knowing the definition ofaccretion disk, as well as those of other words, enriches your vocabulary and provides you with more and better linguistic resources.