n. Lead monoxide; a yellowish red substance, obtained as an
amorphous powder, or crystallized in fine scales, by heating lead
moderately in a current of air or by calcining lead nitrate or
carbonate. It is used in making flint glass, in glazing earthenware, in
making red lead minium, etc. Called also massicot.
n. [化]一氧化铅, 铅黄