auric
/'ɔ:rik/
Học thuậtThân thiện
Definition
- Adjective:
- Of or relating to gold: Pertaining to the element gold (Au) in a general sense.
- Containing gold in a compound: Specifically, describing a chemical compound where gold is present, typically in its +3 oxidation state (auric gold).
Usage
- The term "auric" is primarily used in scientific contexts, especially in chemistry and geology. It is a technical adjective and is not commonly used in everyday conversation.
- It is used to describe substances, properties, or compounds related to gold.
Examples
- Adjective:
- The geologist identified an auric deposit in the rock sample. (The geologist identified a gold-containing deposit in the rock sample.)
- Auric chloride (AuCl₃) is a common compound used in gold plating. (Auric chloride is a common compound used in gold plating.)
Advanced Usage
- "Auric state": Refers to the trivalent state of gold (Au³⁺) in chemistry.
- Gold in the auric state is more reactive than in its metallic form.
- "Auric oxide": A specific compound of gold (Au₂O₃).
- Auric oxide can be prepared under specific laboratory conditions.
Variants and Related Words
- Aurous (adj): Pertaining to gold in its +1 oxidation state (monovalent gold).
- Aurous compounds are less common than auric ones.
- Auriferous (adj): Gold-bearing; containing or yielding gold.
- The river was known for its auriferous sands.
Synonyms
- Auriferous: Gold-bearing (more common in geological contexts).
- Golden: Made of or resembling gold (more general and common, but not a precise chemical synonym).
Antonyms
- Non-metallic: Not containing or relating to metals.
- Aurous: Specifically refers to the +1 oxidation state of gold, which is chemically distinct from the +3 "auric" state.
Adjective
- of or relating to or containing or derived from gold