mesopausen.

Brit.

/ˈmɛsə(ʊ)pɔːz/, U.S.

/ˈmɛzəˌpɔz/; see also meso- comb. form and pause n.

Origin: Formed within English, by compounding. Etymons: meso- comb. form, pause n.

Etymology: < meso- comb. form + pause n. Compare stratopause n., mesosphere n.

Meteorology.

The boundary in the earth's atmosphere between the mesosphere and the thermosphere, occurring at an altitude of about 80 km (50 miles), at which the temperature stops decreasing with increasing height and begins to increase.

ΘΚΠ

the world > the earth > weather and the atmosphere > [noun] > specific regions of > boundaries between regions

tropopause1919

stratopause1946

mesopause1950

turbopause1951

magnetopause1963

plasmapause1966

1950 S. Chapman in Jrnl. Atmospheric & Terrestrial Physics 1 121 The..upper boundary..would be the stratopause, and the mesosphere would extend from this level to the mesopause.

1982 R. G. Barry & R. J. Chorley Atmosphere, Weather & Climate (ed. 4) i. 48 Hydrogen is replaced by the breakdown of water vapour and methane (CH₄) near the mesopause.

1995 New Scientist 9 Dec. 3/3 The density of the atmosphere at the mesopause is on average only 0.0007 per cent of the density at sea level, but is subject to relatively large fluctuations caused by changing solar activity.

This entry has been updated (OED Third Edition, September 2001; most recently modified version published online March 2022).

单词	mesopause
释义	mesopausen. Brit. /ˈmɛsə(ʊ)pɔːz/, U.S. /ˈmɛzəˌpɔz/; see also meso- comb. form and pause n. Origin: Formed within English, by compounding. Etymons: meso- comb. form, pause n. Etymology: < meso- comb. form + pause n. Compare stratopause n., mesosphere n. Meteorology. The boundary in the earth's atmosphere between the mesosphere and the thermosphere, occurring at an altitude of about 80 km (50 miles), at which the temperature stops decreasing with increasing height and begins to increase. ΘΚΠ the world > the earth > weather and the atmosphere > [noun] > specific regions of > boundaries between regions tropopause1919 stratopause1946 mesopause1950 turbopause1951 magnetopause1963 plasmapause1966 1950 S. Chapman in Jrnl. Atmospheric & Terrestrial Physics 1 121 The..upper boundary..would be the stratopause, and the mesosphere would extend from this level to the mesopause. 1982 R. G. Barry & R. J. Chorley Atmosphere, Weather & Climate (ed. 4) i. 48 Hydrogen is replaced by the breakdown of water vapour and methane (CH₄) near the mesopause. 1995 New Scientist 9 Dec. 3/3 The density of the atmosphere at the mesopause is on average only 0.0007 per cent of the density at sea level, but is subject to relatively large fluctuations caused by changing solar activity. This entry has been updated (OED Third Edition, September 2001; most recently modified version published online March 2022). < n.1950
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