ionopause

[ahy-on-uh-pawz]

noun

the transitional zone between the ionosphere and the mesosphere.

Nearby words

ionizing radiation,
iono-,
ionogen,
ionomer,
ionone,
ionophore,
ionophoresis,
ionosonde,
ionosphere,
ionospheric wave

Origin of ionopause

iono- + pause

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for ionopause

ionopause

noun

the transitional zone in the atmosphere between the ionosphere and the exosphere, about 644 km (400 miles) from the earth's surface

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012