Einsteinkonstante

== German == === Etymology === From Einstein +‎ Konstante (“constant”), from the surname of Albert Einstein. === Proper noun === die Einsteinkonstante f (proper noun, usually definite, definite genitive der Einsteinkonstante) or die Einsteinkonstante f (proper noun, adjectival, usually definite, definite genitive der Einsteinkonstanten) Einstein's constant ==== Usage notes ==== This term can be declined either as a regular noun or a nominalized adjective. In technical usage, the latter prevails. ==== Declension ====