It depends. The “t” in water and matter can be pronounced correctly a few different ways. Different dialects will pronounce the “t” as the the traditional letter T is pronounced /t/, but it is most commonly pronounced as an Alveolar flap , /ɾ/, and in some dialects you will here is glotallized as a Glottal stop /ʔ/.
What is the meaning of aquatic?
1 : growing or living in or frequenting water aquatic mosquito larvae. 2 : taking place in or on water aquatic sports. aquatic. Definition of aquatic (Entry 2 of 2) 1 : an aquatic animal or plant.