Thiocarboxy is a fancy word for a type of chemical that has a sulfur atom, a carbon atom, and an oxygen atom all bonded together. It's kind of like when you play with blocks and you stack them on top of each other to make a tower.
Having a sulfur atom in the chemical makes it very important for some things, like making protein in our bodies or helping plants grow. It's kind of like how you need certain building blocks to make a very tall tower.
Thiocarboxy can also be used in things like making medicines or cleaning products. Just like how you might use certain toys for different activities, scientists can use thiocarboxy for different things depending on what they need it for.
Overall, thiocarboxy is just a fancy word for a chemical with certain atoms bonded together that can be useful in different ways, kind of like different types of blocks or toys that you might use for different things.