As of January 27, 2013, Parcel Select was split into Parcel Select, for online purchasing, and Standard Post for purchasing at the Post Office. Parcel Select is significantly cheaper than Standard Post. Parcel Select ships at the same speed as First Class mail.
Wiktionary (0.00 / 0 votes) Rate this definition: dosimeter (Noun). A device used to measure a dose of ionising radiation. These normally take the form of either Optically Stimulated Luminescence (OSL), photographic film, thermoluminescent devices (TLD) or electronic personal dosimeters (PDM).
The picometre (International spelling as used by the International Bureau of Weights and Measures; SI symbol: pm) or picometer (American spelling) is a unit of length in the metric system, equal to 6988100000000000000â 1Ã10â12 m, or one trillionth (17012100000000000000â 1000000000000) of a metre, which is the SI base unit of length.