View Full Document. Ice Pellets Ice pellets (also called sleet) are refrozen snowflakes. They occur when a layer of air aloft is warm enough (> 0 ï° C) to melt snowflakes into raindrops but the air near the ground is cold enough to freeze the drops.
acarid - very small free-living arachnid that is parasitic on animals or plants; related to ticks. 1  mite - any of numerous very small to minute arachnids often infesting animals or plants or stored foods. 2  Acaridae, family Acaridae - mites.
Definition: A program or suite of programs from Adobe Systems, Inc., Adobe Acrobat creates, edits, and manipulates PDF files that can be viewed on any computer system that has software capable of reading PDF files (such as the Adobe Acrobat Reader software).DF documents are often referred to as Adobe Acrobat files, even if a different program was used to generate the file. on all versions of Adobe Acrobat Software. As of 2012 the current version of Adobe Acrobat is Acrobat X. Learn more about Adobe Acrobat X Standard, Pro, and Suite editions.