O.k., I get it. People love to use the word "thixotropy" whenever they can. It's a very unusual word and can sound rather impressive. It's pretty much impossible to figure out the meaning just from the word itself and even from the context in most cases. If you use it incorrectly, I will track you down and correct it, but what I cannot do is make sure that at every watercooler conversation around the world the term is pronounced correctly. So let me do what I can to help. Merriam-Webster has the proper pronunciation while Forvo does not
That's right, just like "kilometer" is not "kilo-meter" but "ki-lom-meter", "thixotrpy" is not "thixo-tropy" but "thix-ot-tropy". You've been warned.