ionosphere
Plural: ionospheres
Noun
- the outer region of the Earth's atmosphere; contains a high concentration of free electrons
- The part of the Earth's atmosphere beginning at an altitude of about 50 kilometers (31 miles) and extending outward 500 kilometers (310 miles) or more.
- The similar region of the atmosphere of another planet.
Origin / Etymology
From iono- + -sphere.
Scrabble Score: 15
ionosphere: valid Scrabble (US) TWL Wordionosphere: valid Scrabble Word in Merriam-Webster MW Dictionary
ionosphere: valid Scrabble Word in International Collins CSW Dictionary
Words With Friends Score: 16
ionosphere: valid Words With Friends Word