TUMOR By N., Pam M.S. - April 29, 2013 noun. 1. neoplasm. 2. inflammation, one of the cardinal signs of inflammation. TUMOR: "The tumor will have to be removed promptly." Related Psychology Terms TUMESCENCE VASCULITIS BENIGN BRAIN DAMAGE PAPILLEDEMA BENIGN IRIDOCYCLITIS NUMERICAL COMPETENCE CANCER AMELIORATION Cite this page: N., Pam M.S., "TUMOR," in PsychologyDictionary.org, April 29, 2013, https://psychologydictionary.org/tumor/ (accessed May 30, 2020).