n.
Pronunciation: ˌ f ē - ə - ˌ kr ō -m ə -s ə - ' t ō -m ə , -s ī -
Function: noun
Inflected Form: plural -mas also -ma · ta \ -m ə -t ə \
Etymology: New Latin, from International Scientific Vocabulary pheochromocyte chromaffin cell (fr. pheochrome chromaffin from Greek phaios dusky, gray + International Scientific Vocabulary -chrome + -cyte ) + New Latin -oma
Date: 1929
: a tumor that is derived from chromaffin cells and is usually associated with paroxysmal or sustained hypertension