protonosphere

== English == === Etymology === From proton +‎ -o- +‎ -sphere. From the content of this layer of the atmosphere being primarily protons (“positively ionized protium isotope of hydrogen”). === Pronunciation === === Noun === protonosphere (plural protonospheres) (Earth's atmosphere, chiefly uncountable) Synonym of geocorona; a layer of the atmosphere. (meteorology, plasma physics, space physics, countable) Analogs of the geocorona ==== Synonyms ==== ==== Coordinate terms ==== ==== Related terms ==== ==== Translations ==== ==== See also ====