transcription, транскрипция: [ lī-ˈbrā-shən ]
noun
Etymology: Latin libration-, libratio, from librare to balance, from libra scales
Date: 1667
: an oscillation in the apparent aspect of a secondary body (as a planet or a satellite) as seen from the primary object around which it revolves
• li·bra·tion·al -shnəl, -shə-n ə l adjective
• li·bra·to·ry ˈlī-brə-ˌtȯr-ē adjective