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.
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adj
containing four replaceable hydrogen atoms
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable
Topics: chemistry, natural-sciences, physical-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
adj
having four atoms of a univalent metal
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable
Topics: chemistry, natural-sciences, physical-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
Etymology tree Proto-Indo-European *kwetwóres Proto-Hellenic *kwétwores Ancient Greek τέσσᾰρες (téssăres) Ancient Greek τετρᾰ- (tetră-)bor. English tetra- English basic English tetrabasic From tetra- + basic.
