Added 10 October 2026 zn noun Categories: NatureRare Words noun ! Definition from WordNet 3.1, Princeton University. More about zn at Wordnik → Where our words come from → A bluish-white lustrous metallic element; brittle at ordinary temperatures but malleable when heated; used in a wide variety of alloys and in galvanizing iron; it occurs naturally as zinc sulphide in zinc blende. Related Words: zinccuferriteferritespbspelterfranklinitesphalerite Back to today's word