| SEPTAVALENT | • septavalent adj. (Chemistry, medicine) Heptavalent. • SEPTAVALENT adj. having a valency of seven, also HEPTAVALENT, SEPTIVALENT. |
| SEPTENARIES | • septenaries n. Plural of septenary. • SEPTENARY n. a group of seven. |
| SEPTENARIUS | • septenarius n. (Prosody) A verse having seven metrical feet. • SEPTENARIUS n. a seven-foot verse, esp. a trochaic tetrameter catalectic. |
| SEPTENNATES | • septennates n. Plural of septennate. • SEPTENNATE n. a period of seven years; as, the septennate during which the President of the French Republic holds office. |
| SEPTENNIUMS | • septenniums n. Plural of septennium. • SEPTENNIUM n. a period of seven years. |
| SEPTENTRIAL | • septentrial adj. Obsolete form of septentrional. • SEPTENTRIAL adj. (obsolete) northern, also SEPTENTRIONAL. |
| SEPTENTRION | • septentrion n. (Obsolete) The north or northern regions. • septentrion adj. (Obsolete) Of or relating to the north; northern. • SEPTENTRION n. (archaic) the north. |
| SEPTICAEMIA | • septicaemia n. Alternative spelling of septicemia. • septicæmia n. (Pathology) Obsolete spelling of septicaemia. • SEPTICAEMIA n. blood-poisoning with presence of bacteria and their toxins in blood, also SEPTICEMIA. |
| SEPTICAEMIC | • septicaemic adj. Alternative spelling of septicemic. • SEPTICAEMIC adj. relating to septicaemia, also SEPTICEMIC. |
| SEPTICEMIAS | • septicemias n. Plural of septicemia. • SEPTICEMIA n. blood-poisoning with presence of bacteria and their toxins in blood, also SEPTICAEMIA. |
| SEPTICITIES | • SEPTICITY n. the state of being septic. |
| SEPTIFEROUS | • septiferous adj. (Botany) Bearing a partition; said of the valves of a capsule. • septiferous adj. (Obsolete) Conveying putrid poison. • SEPTIFEROUS adj. having barriers. |
| SEPTIFRAGAL | • septifragal adj. (Botany) Breaking from the partitions; said of a method of dehiscence in which the valves of a pod break… • SEPTIFRAGAL adj. breaking away of certain parts of a plant from its dividing walls. |
| SEPTILLIONS | • septillions n. Plural of septillion. • SEPTILLION n. a thousand raised to the eighth power (10 to the 24). |
| SEPTIVALENT | • septivalent adj. (Chemistry) heptavalent. • SEPTIVALENT adj. having a valency of seven, also HEPTAVALENT, SEPTAVALENT. |