Sclerotical (sklɛrətɪk(ə)l) is a rare term that refers to anything related to sclerotium, which is a hardened structure produced by certain fungi. The spelling of this word can be broken down phonetically as: /sk/ (as in "skunk") + /lɛr/ (as in "leer") + /ə/ (as in "uh") + /tɪk/ (as in "tick") + /əl/ (as in "ill"). Although it is not a commonly used word, it is important for medical professionals and researchers who study fungi and related diseases to be familiar with it.
I apologize, but "sclerotical" does not appear to be a recognized word in the English language. It is possible that there might have been a typographical error or the word does not exist. If you could provide more context or clarify the term you intended to use, I would be happy to help with the appropriate definition or information.