Langimage
English

amphiboles

|am-phi-boles|

C1

🇺🇸

/ˈæm.fəˌboʊlz/

🇬🇧

/ˈæm.fɪˌbəʊlz/

(amphibole)

mineral group

Base FormPlural
amphiboleamphiboles
Etymology
Etymology Information

'amphibole' originates from Greek, specifically the word 'amphíbolos,' where 'amphi-' meant 'both' and 'ballein' meant 'to throw.'

Historical Evolution

'amphíbolos' transformed into the French word 'amphibole,' and eventually became the modern English word 'amphibole' through Middle English.

Meaning Changes

Initially, it meant 'ambiguous or doubtful,' but over time it evolved into its current meaning of 'a group of minerals.'

Meanings by Part of Speech

Noun 1

a group of inosilicate minerals, forming prism or needle-like crystals, composed of double chain SiO4 tetrahedra, linked at the vertices and generally containing ions of iron and/or magnesium in their structures.

Amphiboles are commonly found in metamorphic rocks.

Synonyms

Last updated: 2025/07/21 03:36