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
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noun
The portion of the atmosphere from sea-level to about 4000 meters in which it is possible to breathe without technological assistance.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
The biosphere.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
Etymology tree Proto-Indo-European *weyḱ- Proto-Indo-European *-os Proto-Indo-European *wóyḱos Proto-Hellenic *wóikos Ancient Greek οἶκος (oîkos) Latin oeco- French éco- English eco- Ancient Greek σφαῖρᾰ (sphaîră)bor. Latin sphaera Late Latin sphērader. Old French spherebor. Middle English spere English sphere English -sphere English ecosphere From eco- + -sphere.
Across languages
7 source translations are retained for this English entry.
