Weather History for KMSP - October, 2015. This icon will show if stations have a snow accumulation reading. Not all stations report snow accumulation. This icon shows rain accumulation or the liquid equivalent in the case of snow, hail or sleet. It does not differentiate between different forms of precipitation such as rain, snow, hail or sleet.
Retroperitoneal masses: Introduction. Retroperitoneal masses: Retroperitoneal masses is a condition in which there are growths or tumors that develop behind the peritoneum, a membrane that covers most of the abdominal organs.
(Nuclear Physics) the minimum mass of fissionable material that can sustain a nuclear chain reaction 2. the minimum amount of money or number of people required to start or sustain an operation, business, process, etc: the critical mass for a subscription digital sports channel. critâ²ical massâ² n.