ionosfeer

== Dutch == === Etymology === Borrowed, probably from French or Germen. Equivalent to iono- +‎ -sfeer. This etymology is incomplete. You can help Wiktionary by elaborating on the origins of this term. === Pronunciation === IPA(key): /ˌjoː.noːˈsfeːr/, /ˌi.oː.noːˈsfeːr/ Hyphenation: io‧no‧sfeer Rhymes: -eːr === Noun === ionosfeer m (plural ionosferen, no diminutive) ionosphere [from 1930s] ==== Derived terms ==== ionosferisch