অগভীর করা, বিরল করা, অগভীর হত্তয়া, বিরল হত্তয়া, তনু করা, তনু হত্তয়া
(1) Lessen the density or solidity of,make more subtle or refined,weaken the consistency of (a chemical substance)
(2) Lessen the density or solidity of
(3) Make more subtle or refined
(4) Weaken the consistency of (a chemical substance)
(1) As the shell continues to expand and rarefy, astronomers may eventually be able to see characteristic gamma rays from the radioactivity within
attenuate