picogram
An SI unit of mass equal to 10⁻¹² grams. Symbol: pg
Noun
- An SI unit of mass equal to 10⁻¹² grams. Symbol: pg
- Holonyms: nanogram < microgram < milligram < gram < kilogram < megagram < gigagram
Origin
Etymology tree Proto-Celtic *bekkos Gaulish *bekkosbor.? Latin beccus Old Spanish bico Spanish picobor. English pico- English gram English picogram From pico- + gram.