subvocalizer

/sʌbˈvoʊkəlaɪzər/
noun
  1. A person who subvocalizes, or silently says words in their mind while reading or thinking.
    • The teacher explained that being a subvocalizer can slow down your reading speed.
    • She realized she was a subvocalizer when she noticed her throat moving slightly.
    • As a fast reader, he was a natural subvocalizer.
What does "subvocalizer" mean? | whatsthatwordmean | whatsthatwordmean