| heliopause | (noun) the boundary marking the edge of the sun's influence; the boundary (roughly 100 AU from the sun) between the interplanetary medium and the interstellar medium; where the solar wind from the sun and the radiation from other stars meet | - |
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| menopause | (noun) the time in a woman's life in which the menstrual cycle ends | Synonyms: change of life, climacteric |
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| pause | (noun) temporary inactivity | - |
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| (noun) a time interval during which there is a temporary cessation of something | Synonyms: break, intermission, interruption, suspension |
| tropopause | (noun) the region of discontinuity between the troposphere and the stratosphere | - |
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