massicot

Thân thiện

A painter mixes massicot pigment into oil paint on a wooden palette.

Definition

1. Noun:
   • A mineral form of lead monoxide: A naturally occurring, yellow-colored mineral composed primarily of lead(II) oxide (PbO).
   • A yellow pigment: The powdered form of this mineral, used historically and artistically as a yellow pigment.

Usage Examples

• Noun:
  • The geologist identified the yellow crystalline deposit as massicot.
  • Art conservators found that the artist used massicot in the 15th-century painting, which has since darkened.

Advanced Usage

• Technical/Historical Context: "Massicot" is primarily used in geological, mineralogical, and art history contexts to describe the specific orthorhombic crystalline form of lead monoxide, distinguishing it from the red tetragonal form, litharge.
  • The analysis confirmed the pigment was massicot, not the more common yellow ochre.

Variants and Related Words

• Massicotite: An alternative, though less common, name for the mineral.
• Litharge: (Noun) The red tetragonal form of lead monoxide (PbO), often contrasted with massicot.
• Lead monoxide: (Noun) The chemical compound PbO, which exists in the mineral forms massicot and litharge.

Synonyms

• Lead(II) oxide (chemical term)
• Yellow lead oxide (descriptive term)

Notes on Meaning

• The term "massicot" refers specifically to the natural mineral or its use as a pigment. It is not used for synthetic lead monoxide produced by modern industrial processes, which is typically referred to by its chemical name.

Học thuật

Noun

1. the mineral form of lead monoxide; in the form of yellow powder it is used as a pigment

Từ đồng nghĩa

• massicotite