One of the mysteries of the English language finally explained.
Of lead with a valence of two; of lead(II).Compare with plumbic
- ‘The addition of carbon black increases the conductivity of electrode plate, especially when the amount of plumbous sulphate crystal increases remarkably in the late discharging period it can more remarkably improve the conductivity of plumbous active material.’
Late 17th century: from Latin plumbosus ‘full of lead’.
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