Kemískir
Kemískir is a term that appears to be a misspelling or a very niche term. Without further context, it is difficult to provide a definitive definition. It is possible it is a typo for "kemískur" which is Icelandic for "chemical" (adjective). In that case, "kemískur" would describe anything related to or produced by chemistry, such as chemical reactions, chemical compounds, or chemical processes. For example, one might discuss "kemískur eldfjall" (chemical volcano) or "kemískur hreinleiki" (chemical purity).
If "kemískir" is intended to be a plural form, and assuming it relates to the Icelandic "kemískur,"
Alternatively, "kemískir" could be a word from a different language entirely or a neologism. If it is