A city in the Gulf of Sidra, in northern Libya.

(obsolete) A quicksand.

(biochemistry) Any of several enzymes that act as regulatory factors that mediate the life-extending effects of a low-calorie diet.

plural of sirtuin

(space science, US, NASA) Initialism of Space Infrared Telescope Facility.

(organic chemistry) The substituted benzamide 2-[(2-hydroxynaphthalen-1-ylmethylene)amino]-N-(1-phenethyl)benzamide, that is biochemically active

plural of sirtaki

A modern Greek folk dance, a mixture of the slow and fast versions of the hasapiko dance.