adj · 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.
/juːkˈsɪnɪk/
/ˈjuːkˌsɪnɪk/
rhymes with -ɪnɪk
1
adj
Meaning 1
Having restricted hydrologic circulation, leading to stagnant or anaerobic conditions.
Definition source: English Wiktionary via Wiktextract
Topics: geography, hydrology, natural-sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
adj
Meaning 2
Depleted in dissolved oxygen and containing dissolved hydrogen sulfide.
Definition source: English Wiktionary via Wiktextract
Topics: geography, geology, natural-sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
History
Etymology
In reference to the Black Sea, in Ancient Greek called Πόντος Εὔξεινος (Póntos Eúxeinos, “Hospitable Sea”), which is known for anoxic bottom waters.