English Explanatory Dictionary

dwi-

English dictionary entry

Meanings

prefix
  1. 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.)

Word forms

dwi- dvi-

Etymology

From Sanskrit द्वि (dvi, “two”).

Related words

eka- tri- Mendeleev's predicted elements di- bi-
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