What does "ignorosphere" mean?

A vaguely-defined near space region of Earth's atmosphere, consisting of the mesosphere and sometimes the stratosphere or lower thermosphere.

What is a synonym for "ignorosphere"?

Common synonyms include: middle atmosphere, mlt, near space.

noun

noun ·Rare ·Advanced level

Noun

1
A vaguely-defined near space region of Earth's atmosphere, consisting of the mesosphere and sometimes the stratosphere or lower thermosphere. uncountable

From ignore + -o- + -sphere. * (meteorology): From being a little-studied and hard to access portion of Earth's atmosphere.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.