Definitions

1. adjective

having or relating to an excessive or absurd preoccupation with silica or things made of silica

“The geologist’s siliculous obsession with quartz crystals was starting to bother her colleagues.”

2. noun

a person who has or exhibits an excessive or absurd preoccupation with silica or things made of silica

“The professor was known to be a siliculous, often lecturing about the many uses of silica in nature.”