dwi-

prefix

dwi-

prefix

Etymology Borrowed from Sanskrit द्वि (dvi, “two”).

Chemistry, Natural sciences, Physical sciences Dated, Morpheme 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.)

Related terms: eka-, tri-, Mendeleev's predicted elements, di-, bi-

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.