2. The extreme or final part.
3.a. A negatively charged elementary particle that has a mass 3270 times the mass of an electron.
3.b. A very short-lived unstable meson with mass 1532 times the mass of an electron.
4. A luxury watchmaker based in Switzerland. Their watches have famously been worn by James Bond 007 since 1995.
5. A Hungarian rock band formed in 1962. As of this definition they have released 16 Hungarian studio albums encompassing different musical genres: folk rock, hard rock, space rock, progressive rock, and synthrock. They have released some English and German albums and singles over the years but these are hard to find. They have had the same lineup for over 30 years: Kóbor János, Molnár György, Benkő László, Mihály Tamás, and Debreczeni Ferenc. Their greatest album is probably 10000 Lépés released in 1969.
pierre: "Omega, of course"