opacity

opacity - noun

the phenomenon of not permitting the passage of electromagnetic radiation

incomprehensibility resulting from obscurity of meaning

the quality of being opaque to a degree; the degree to which something reduces the passage of light

opacity - thesaurus

Scrabble score = 14

"Spellzone really is an incredibly simple, engaging and cost effective resource - it makes a big difference to literacy levels."

Millthorpe School, York