Standard Lemma guide
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
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.
No pronunciation record was provided for this word.
noun
That part of the Earth, or other planet, that lies below the surface of its lakes, seas and oceans,
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
No example sentence was provided for this meaning.
Synonyms: hydrosphere
Antonyms: none provided
History
Etymology tree Ancient Greek ῠ̔δρο- (hŭdro-)der. English hydro- Latin spatiumbor. Old French espace Anglo-Norman spacebor. Middle English space English space English hydrospace From hydro- + space.
