单词 | pico- |
释义 | Pico-A prefix meaning one-trillionth (1/1,000,000,000,000 or 10-12) Example: a picometer is one-trillionth of a meter (in other words, a trillion picometers make 1 meter) The diameter of a helium atom is about 100 picometers Symbol is p Example: 12 pL = 12 picoliters = 12 trillionths of a liter (0.000000000012 L) |
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