relating to or occurring in water

existing or done underwater

पानी के नीचे

English Usage: They discovered subaqueous ruins near the riverbed.

Hindi Usage: उन्होंने नदी के तल के पास पानी के नीचे के खंडहरों की खोज की।

a type of porous stone made from volcanic ash

material composed of volcanic ash and fragments

ज्वालामुखीय राख

English Usage: The geological survey indicated that the region was rich in tuff formations.

Hindi Usage: भूवैज्ञानिक सर्वेक्षण ने संकेत दिया कि क्षेत्र टफ संरचनाओं में समृद्ध था।