A dialect or group of dialects of Serbo-Croatian spoken primarily in Serbia and distinguished by reflecting the Common Slavic jat (Old Cyrillic: ѣ, Glagolitic: ⱑ, Latin transcription /ě/) sound as /e/.

(chemistry) unbiunium / (chemistry) untriennium (dvi-lanthanum)

(chemistry) Used to form prototype names for as-yet undiscovered elements, when prepended to the known element above them in the same group of the periodic table.

(chemistry, element, obsolete) The predicted element lying below silicon in the periodic table — later named germanium.

Alternative spelling of eka-aluminium

(chemistry, archaic) gallium

(chemistry) the name given by Dmitri Mendeleev to the predicted element (technetium) lying below manganese in the periodic table

(chemistry) the name given by Dmitri Mendeleev to the predicted element (scandium) lying below boron in the periodic table

(chemistry) scandium

Synonym of tennessine