Dictionary

Ingredients beginning with R

Every ingredient in the dictionary filed under R — with its identifiers, its origin, and what it actually does.

40 ingredients in the dictionary

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Red Ochre
Red ochre is iron-oxide-rich earth, haematite mixed with clay and quartz: the oldest colouring material in the human record, and, purified and synthesised, still the red in most foundations.
In useas of 2026-09-22Pigment