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Word of the Day Friday, June 12, 2026

anthracoid

/ˈænθrəkaɪd/ adjective · British & US
Valid in UK
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What does anthracoid mean?

Anthracoid refers to something that resembles or is related to coal, especially anthracite. This term is often used in geology to describe rocks or minerals that have a coal-like appearance or composition. The word is derived from the Greek words 'anthrakos,' meaning coal, and the suffix '-oid,' meaning resembling. In a broader sense, anthracoid can also refer to anything that has a carbonaceous or coal-like quality. The term is not commonly used in everyday language, but it is an important concept in the field of geology.

adjective

Resembling or relating to coal, especially anthracite.

Senses
  1. Resembling or relating to coal, especially anthracite.
Example

"The anthracoid rocks in the quarry were rich in fossilized plant material."

More examples

"The anthracoid rocks in the quarry were rich in fossilized plant material."

"The coal-like texture of the soil made it difficult to dig through."

Plural anthracoids

The plural form 'anthracoids' is used to describe multiple rocks or minerals that resemble coal in appearance or composition.

Example

"The anthracoids in the quarry were rich in fossilized plant material."

Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.

Etymology of anthracoid

The word 'anthracoid' is derived from the Greek words 'anthrakos,' meaning coal, and the suffix '-oid,' meaning resembling. This term was first used in the 19th century to describe rocks or minerals that resembled coal in appearance or composition.

Usage notes

In geology, anthracoid refers to rocks or minerals that resemble coal in appearance or composition.

Synonyms for anthracoid

Rhymes with anthracoid