This is the 5942nd most frequent Turkish word.
tuz
Salt.
Here 'tuz' refers to the salt used as an ingredient in food preparation.
Bu yemeğe biraz tuz ekledim.
I added some salt to this dish.
In this sentence, 'tuz' denotes salt as a general term representing the substance.
Tuz, insanlar için önemli bir mineral kaynağıdır.
Salt is an important source of minerals for humans.
Here 'tuz' is part of a proper noun describing the geological feature 'Tuz Gölü' (Salt Lake) in Turkey.