"Millisievert" Natural Recordings by Native Speakers
A millisievert (mSv) is a unit of measurement for the dose of ionizing radiation absorbed by the human body. It is used to quantify the biological effect of radiation exposure. One millisievert is equal to one thousandth of a sievert.
A millipede is a type of insect that belongs to the subclass Diplopoda. It is characterized by having a large number of legs, typically between 30 and 90 pairs, which gives it its name "millipede" meaning "thousand feet." Millipedes are generally detritivores, feeding on decaying plant and animal matter, and are often found in damp, dark environments such as under rocks, logs, or in soil. They have a segmented body and typically range in length from a few millimeters to several centimeters.
I apologize, but the word "millistere" is not a valid English word. It seems to be a typo or a non-existent word. Please provide a different word, and I'll be happy to help you with its meaning.