Word:    Find rhymes Find rhymes (advanced) Find near rhymes Find synonyms Find descriptive words Find phrases Find antonyms Find definitions Find related words Find similar sounding words Find similarly spelled words Find homophones Find phrase rhymes Match consonants only Match these letters Find anagrams (unscramble) Definitions of F layer: noun:   the highest region of the ionosphere (from 90 to 600 miles up) that contains the highest concentration of free electrons and is most useful for long-range radio transmission Related words...   Help  Feedback  Privacy  Terms of Use Copyright © 2023