Florence (Firenze) 10 day weather forecast, updated four times a day and shows the weather summary plus detailed sun, rain, snow, wind and temperature. The weather forecast extends out to 10 days showing information for morning, afternoon and overnight.
Definition of double helix. : a helix or spiral consisting of two strands in the surface of a cylinder that coil around its axis; especially : the structural arrangement of DNA in space that consists of paired polynucleotide strands stabilized by cross-links between purine and pyrimidine bases â compare alpha-helix, watson-crick model.
Definition of DOUBLET. 1. : a man's close-fitting jacket worn in Europe especially during the Renaissance.edical Definition of DOUBLET. 1. : something consisting of two identical or similar parts: as a: a lens consisting of two components b: a spectrum line having two close components. 2. : a set of two identical or similar things; especially: one of nine pairs of microtubules found in cilia and flagella.