-- Posted by 12345678910987654321 at 10:16 pm on Sep. 17, 2008 what does ∆ symbol mean in physics? -- Posted by UltimaTaz at 10:17 pm on Sep. 17, 2008 Triangle. -- Posted by Joep0113 at 10:19 pm on Sep. 17, 2008 it means; Add moar sulfuric acid -- Posted by Latin Muscle at 10:19 pm on Sep. 17, 2008 therefore -- Posted by ang42490424 at 10:19 pm on Sep. 17, 2008 change -- Posted by DROCK20J at 10:20 pm on Sep. 17, 2008 is this a sexual topic???? -- Posted by Ancient Rights at 10:21 pm on Sep. 17, 2008 That symbol is called "delta" and it represents the change in something. -- Posted by twizlstikz at 10:22 pm on Sep. 17, 2008 lol it means change in. its delta like delta x means change in x which is range -- Posted by melroy at 10:32 pm on Sep. 17, 2008 Quote: from twizlstikz at 10:22 pm on Sep. 17, 2008 lol it means change in. its delta like delta x means change in x which is range this!