It appears that there is no word spelled "caryomit" in any dictionary. However, if we were to transcribe this word using International Phonetic Alphabet (IPA), it may resemble something like [ˌkærɪˈomɪt]. Breaking it down, we have the initial sound "k" followed by the vowels "a" and "i", pronounced as "æ" and "ɪ" respectively. The syllable "ryo" is represented by "r" and "y" sounds, while "mi" is spelled as "m" and "ɪ". Overall, this transcription suggests a word with subtle sounds and likely no recognizable meaning.
One of the chromatin threads formed in mitosis, chromosome.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.