Ochre (/ ˈ oʊ k ər / OH-kər; from Ancient Greek ὤχρα (ṓkhra), from ὠχρός (ōkhrós) ' pale '), iron ochre, or ocher in American English, is a natural clay earth pigment, a mixture of ferric oxide and varying amounts of clay and sand. [2] It ranges in colour from yellow to deep orange or brown.

The meaning of OCHER is an earthy usually red or yellow and often impure iron ore used as a pigment.

2019年7月3日 · Ochre is the earliest known pigment used by humans to paint our world--perhaps as long ago as 300,000 years. Other documented or implied uses are as medicines, as a preservative agent for animal hide preparation, and as a …

OCHER definition: 1. a yellowish-orange color, or a substance obtained from earth that is used for giving this color…. Learn more.

ochre, a native earth coloured with hydrated iron oxide. It varies in colour from pale yellow to deep red, brown, and violet. There are two kinds: one has a clayey basis, while the other is a chalky earth. The former variety is in general the richer and purer in colour of the two.

2023年2月19日 · In this article, we explore the fascinating history and properties of yellow ocher, from its origin as a natural earth pigment to its use in contemporary art. We will also examine the different ways in which artists have used yellow ocher …

2018年11月20日 · Artists have been painting with ocher, a naturally occurring pigment, for hundreds of thousands of years. Their masterpieces range from prehistoric, ocher-pigmented images on cave walls to...

any of a class of natural earths, mixtures of hydrated oxide of iron with various earthy materials, ranging in color from pale yellow to orange and red, and used as pigments. the color of this, …

2024年4月22日 · Ocher is the American English spelling for a naturally occurring earth pigment containing silica, iron oxide, and varying amounts of clay and sand. Whereas ochre is the British English variant of the same word, and both terms refer to colors ranging from yellow to deep orange or brown.

1. any of a class of natural earths, mixtures of hydrated oxide of iron with various earthy materials, ranging in color from pale yellow to orange and red, and used as pigments. 2. the color of this; pale to orangish or reddish yellow.