fluctuation. noun change, shift, swing, variation, instability, alteration, wavering, oscillation, alternation, vacillation, unsteadiness, inconstancy Don't worry about tiny fluctuations in your weight.luctuation. noun change, shift, swing, variation, instability, alteration, wavering, oscillation, alternation, vacillation, unsteadiness, inconstancy Don't worry about tiny fluctuations in your weight.
Jim Starlin's Thanos first appeared in 1973; his 40th anniversary may be celebrated on set of The Avengers 2. (Marvel) http://herocomplex.latimes.com/movies/avengers-spoiler-special-mystery-villains-creator-speaks-out/attachment/thanos2_1336007796/.
The operating system was first released in 1999 as Mac OS X Server 1.0, with a desktop-oriented version (Mac OS X v10.0 Cheetah) following in March 2001. Since then, six more distinct client and  server  editions of OS X have been released, until the two were merged in OS X 10.7 Lion .