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laevo-raˈcemic
laevo-raˈcemic n. 
/ˌlivoʊrəˈsimɪk/
Brit. /ˌliːvə(ʊ)rəˈsiːmɪk/
, /ˌliːvə(ʊ)rəˈsiːmɪk/U.S. /ˌlivoʊˌreɪˈsimɪk/
, /ˌlivoʊˌreɪˈsimɪk//ˌlivoʊrəˈsimɪk/Π
1853 Pharm. Jrnl. & Trans. 13 111 Pasteur discovered that racemic acid is a compound of two acids, one of which turns the plane of polarization of a ray of light to the right, and the other to the left; he therefore called them Dextro-racemic-acid and Levo-racemic-acid.
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