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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No pronunciation record was provided for this word.
prefix
A designation prefix for undiscovered chemical elements lying two periods under a known element in the periodic table. (For example, rhenium was called dwi-manganese before its discovery in 1925.)
Definition source: English Wiktionary via Wiktextract
Usage: dated, morpheme
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 *dwóh1 Proto-Indo-European *dwi- Sanskrit द्वि (dvi)bor. English dwi- Borrowed from Sanskrit द्वि (dvi, “two”).
