A kidney stone occurs when substances in the urine form crystals. Kidney stones can be large or small. Large ones can damage the kidneys; small ones may be able to pass in the urine. Because crystals have sharp edges, passing even small stones can be very painful. Treatment depends on what the stones are made of.
: to say that you accept or do not deny the truth or existence of (something). : to regard or describe (someone or something) as having or deserving a particular status. : to tell or show someone that something (such as a letter or message) has been received. acÂ·knowlÂ·edged acÂ·knowlÂ·edgÂ·ing.
in other words we can say that the sender doesn t know what to do so he is passing the work to recipient fya can also mean for your attention for your approval for your acknowledgement or for your awareness the correct full form depends upon the situation in which it is used tweet