noun · 2 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
/kælˈsɛd.ə.ni/
/ˈkæl.səˌdoʊ.ni/
US:Recorded audio is listed in the source snapshot.
CMU ARPABET:CH AE1 L S AH0 D OW2 N IY0
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
A form of fine-grained quartz that is nearly transparent or has a milky translucence; it fractures conchoidally.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
a milky or greyish translucent to transparent quartz
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Borrowed from Latin chalcēdōnius, from Ancient Greek χαλκηδόνιος (khalkēdónios), from Ancient Greek χαλκηδών (khalkēdṓn), cognate to Arabic كَرْكَنْد (karkand).
Across languages
Translations
43 source translations are retained for this English entry.
Armenian:
քաղկեդոն
(kʻaġkedon)
— form of fine-grained quartz
Basque:
kaltzedonia
— form of fine-grained quartz
Catalan:
calcedònia
— form of fine-grained quartz
Cherokee:
ᎧᎵᏏᏙᏂ
(kalisidoni)
— form of fine-grained quartz
Chinese Mandarin:
玉髓
(yùsuǐ)
— form of fine-grained quartz
Chinese Mandarin:
石髓
(shísuǐ)
— form of fine-grained quartz
Czech:
chalcedon
— form of fine-grained quartz
Estonian:
kaltsedon
— form of fine-grained quartz
Farefare:
kalkedoni
— form of fine-grained quartz
Farefare:
kalkedon
— form of fine-grained quartz
Farefare:
kalkedonio
— form of fine-grained quartz
Finnish:
kalsedoni
— form of fine-grained quartz
French:
calcédoine
— form of fine-grained quartz
German:
Chalcedon
— form of fine-grained quartz
Ancient Greek:
χαλκηδών
(khalkēdṓn)
— form of fine-grained quartz
Hebrew:
כלקדון
— form of fine-grained quartz
Ido:
kalcedono
— form of fine-grained quartz
Indonesian:
kalsedon
— form of fine-grained quartz
Irish:
cailceadón
— form of fine-grained quartz
Italian:
calcedonio
— form of fine-grained quartz
Japanese:
玉髄
(gyokuzui)
— form of fine-grained quartz
Korean:
옥수
(oksu)
— form of fine-grained quartz
Latvian:
halcedons
— form of fine-grained quartz
Lithuanian:
chalcedonas
— form of fine-grained quartz
Macedonian:
калцедо́н
(kalcedón)
— form of fine-grained quartz
Māori:
karakeroni
— form of fine-grained quartz
Norwegian Bokmål:
kalsedon
— form of fine-grained quartz
Norwegian Nynorsk:
kalsedon
— form of fine-grained quartz
Persian:
کرکهان
(karkahân)
— form of fine-grained quartz
Polish:
chalcedon
— form of fine-grained quartz
Portuguese:
calcedônia
— form of fine-grained quartz
Russian:
халцедо́н
(xalcedón)
— form of fine-grained quartz
Slovak:
chalcedón
— form of fine-grained quartz
Spanish:
calcedonia
— form of fine-grained quartz
Sundanese:
kalsedon
— form of fine-grained quartz
Swahili:
kalkedoni
— form of fine-grained quartz
Swedish:
kalcedon
— form of fine-grained quartz
Tagalog:
kalsedonya
— form of fine-grained quartz
Thai:
แคลเซโดนี
— form of fine-grained quartz
Turkish:
kalsedon
— form of fine-grained quartz
Ukrainian:
халцедон
(xalcedon)
— form of fine-grained quartz
Vietnamese:
chan-xe-đon
— form of fine-grained quartz