Past krypton Synonyms

Past replaced

ancient krypton

prehistoric krypton

Definitions for Past

(adjective) having been such at some previous time
(noun) the events or experience of former times
(preposition) on or to the farther side of

Synonyms for phrase

previous element

extinct element

PK abbreviation

PK is an abbreviation for Past Krypton

What does PK stand for?

PK stands for "Past Krypton"

Krypton replaced

Definitions for Krypton

(noun) a colorless element that is one of the six inert gasses; occurs in trace amounts in air