A group forming a type within a larger type.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "subtype" in a sentence
"Possibly my favorite subtype is the SFF book that taps into capital-L Literary stories and frameworks and reimagines them."
"But, yeah, the points seem to be a little off – the dragon subtype is mentioned as a “maybe-makes - you-loose-sanitiy-critter”, if they are not all too common in your campaign. misterecho"
"It is only effective against a certain subtype of breast cancer, those that have too many HER2-receptors on their surfaces."