Luminaln.
'lju:minəl
中文n. 鲁米那（一种镇静剂）\nadj. 腔的；细胞腔的
鲁米那（一种镇静剂）
adj. 腔的；细胞腔的
词根词源
Luminal (n.)trade name of phenobarbitone, used as a sedative and hypnotic, coined 1912 in German from Latin lumen "light," related to lucere "to shine" (see light (n.)), + -al (3), "the root here being used, very irregularly, as an equivalent of pheno- [Flood].luminal (adj.)"of or pertaining to a lumen," 1897, with -al (1).
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