Ionosphere

Acceptable For Game Play - US & UK word lists

This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

The American Heritage® Dictionary of the English Language, 4th Edition
  • n. A region of the earth's atmosphere where ionization caused by incoming solar radiation affects the transmission of radio waves. It extends from a height of 70 kilometers (43 miles) to 400 kilometers (250 miles) above the surface.
    • Wiktionary, Creative Commons Attribution/Share-Alike License
  • n. 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.
  • n. The similar region of the atmosphere of another planet.
    • the GNU version of the Collaborative International Dictionary of English
  • n. the outer region of the earth's atmosphere, beyond which is the exosphere; it contains a high concentration of free electrons and ions, and extends from about 50 miles to about 250 miles above the earth's surface, but the height shows daily and seasonal variation, and the composition of the particles in the ionosphere is also affected by events such as solar flares.
    • WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
  • n. the outer region of the Earth's atmosphere; contains a high concentration of free electrons
    • Antonym
    exosphere   
    Hypernym
    Words that are more generic or abstract
    region    part   
    Same Context
    Words that are found in similar contexts
    regolith    stratosphere    cfcs    meteorology    cloudscape   
     
    Disclaimer: This site has been created by RJ Softwares and is part of the Lexulous & Wordscraper games.