"0"^^ . . . . "112743840"@en-us . "13507617-n"^^ . . . . . . . . . "(astronomy) a real or apparent slow oscillation of a moon or satellite; \"the libration of the moon\""@en-us . . "113507617"^^ . "0"^^ . . "libration"^^ . "(astronomy) a real or apparent slow oscillation of a moon or satellite; \"the libration of the moon\""@en-us . . . "libration"@en-us . .