প্ৰতিক্ষণপ্ৰতিক্ৰমী
প্ৰতিক্ষিপ্ত জল (Assamese)
প্ৰতিক্ষিপ্ত জল (Assamese)
1. Backwash may refer to:
== Physical phenomena ==
Backwash (physical phenomenon), also known as "swash", the backwards flow of air or water
A mixture of beverage and saliva that has flowed back into a drinking... from wikipedia.org