substage

noun

sub·​stage ˈsəb-ˌstāj 

: an attachment to a microscope by means of which accessories (such as mirrors, diaphragms, or condensers) are held in place beneath the stage of the instrument

Examples of substage in a Sentence

Recent Examples on the Web

There are three substages, separated into 3A, 3B, and 3C that offer specific information about the severity and reach of the cancer. —Lynne Eldridge, Verywell Health, 15 Aug. 2023

This stage is also divided up into substages: Stage 2A describes a tumor that is between 4 and 5 centimeters across, while Stage 2B may describe a smaller tumor that has spread to nearby lymph nodes. —Amanda MacMillan, Health.com, 23 July 2019

Word History

First Known Use

1888, in the meaning defined above

Medical Definition

substage

noun

sub·​stage ˈsəb-ˌstāj 

: an attachment to a microscope by means of which accessories (as mirrors, diaphragms, or condensers) are held in place beneath the stage of the instrument