The correct spelling of the word "tumoraffin" can be explained through the International Phonetic Alphabet (IPA) transcription. The first syllable, "tu", is pronounced "tjʊ" with a soft "t" sound and a short "u" sound. The second syllable, "mor", is pronounced "mɔr" with an "o" sound as in "more". The final syllable, "affin", is pronounced "æfɪn" with an "a" sound as in "cat" and a soft "f" sound. The word "tumoraffin" is used to describe proteins that bind specifically to tumor cells.
Oncotropic, attracted toward or having a selective affinity for tumor cells; noting a drug, radiant energy, or other force acting especially on new growths.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.