13-letter words containing h, a, e, m, o, d
- trimethadione — a synthetic, white, crystalline powder, C 6 H 9 NO 3 , used as an anticonvulsant to control petit mal epileptic seizures.
- tzom gedaliah — a Jewish fast day observed on the third day of the month of Tishri in memory of the treacherous murder of Gedaliah, Jewish governor of Judah appointed by King Nebuchadnezzar of Babylonia.