"litmus"@en-us . . "114092151"@en-us . . "0.0378241"^^ . "0.166109"^^ . . . . "a coloring material (obtained from lichens) that turns red in acid solutions and blue in alkaline solutions; used as a very rough acid-base indicator"@en-us . . "0.302358"^^ . "14941407-n"^^ . . "0.0881362"^^ . "0"^^ . "0.077678"^^ . "110721472"@en-us . "litmus"^^ . . "114941407"^^ . . "0.077219"^^ . . "0"^^ . "litmus test"@en-us . "0.146744"^^ . "0.103931"^^ .