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separator someone or something that separates, such as a machine that separates cream from milk.
Sephardim European Jews who settled in Spain, Portugal, and northern Africa before the Inquisition, or their descendants. (Cf. Ashkenazim.)
sepia a brownish pigment usu. made from secretions of certain cuttlefish, or of the ink made from such a pigment. [2 definitions]
sepoy in India, formerly, a native soldier who served in a European army, esp. the British army.
seppuku hara-kiri.
sepsis infection, esp. by pus-forming bacteria in the blood or tissues.
Sept. abbreviation of "September," the ninth month of the Gregorian calendar year, having thirty days.
sept-1 seven.
sept-2 divider.
septa pl. of septum.
septal of or relating to a septum.
September the ninth month of the Gregorian calendar year, having thirty days.
septennial taking place every seven years. [3 definitions]
septet seven singers or instrumentalists as a group. [3 definitions]
septic infected with harmful or destructive bacteria. [2 definitions]
septicemia persistent infection of the blood stream by harmful bacteria or their toxins.
septic tank an underground tank in which solid organic waste material is decomposed by anaerobic bacteria.
septillion the number represented by the Arabic numeral 1024. [2 definitions]
septuagenarian one who is seventy years old or between seventy and eighty years old.
Septuagint a translation of the Old Testament from Hebrew into Greek, done in the third century B.C.
septum in biology, a thin membrane or other partition that separates two cavities or two masses of soft tissue.