yellow ocher
Học thuậtThân thiện
Definition
Noun: 1. A type of earth pigment: A natural yellow pigment consisting primarily of limonite (hydrated iron oxide) mixed with clay and silica. It is one of the oldest pigments used by humans.
Usage
- Yellow ocher is used as a colorant in artistic and industrial applications.
- The quality and hue of yellow ocher can vary depending on its specific mineral composition.
Examples
- The cave paintings were made using charcoal and yellow ocher.
- She mixed the yellow ocher with linseed oil to create her paint.
- This particular shade of yellow ocher comes from a quarry in France.
Advanced Usage
- Art Conservation: In art history and conservation, the identification of yellow ocher helps date and authenticate artworks.
- Geological Indicator: The presence of yellow ocher in soil can indicate specific weathering processes and geological history.
Variants and Related Words
- Ocher (AE) / Ochre (BE) (noun): The general term for natural earth pigments ranging from yellow and orange to red and brown. Yellow ocher is a specific type of ocher.
- Limonite (noun): The generic term for the hydrated iron oxide that is the primary coloring agent in yellow ocher.
- Yellow Ochre (noun): An alternative spelling, particularly common in British English.
Synonyms
- Yellow earth
- Gold ocher (for a brighter, more golden variety)
Different Meanings
- The word "ocher" alone can refer to the color of this pigment—a moderate yellow-orange to light olive brown.
- Example: "The walls were painted a warm ocher."
Noun
- pigment consisting of a limonite mixed with clay and silica