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

Though the eyes tend to stay stationary during non-REM sleep, the pupils oscillate between small and large diameters, reflecting the different substages and depths of slumber throughout the non-REM phase. — Sam Walters, Discover Magazine, 1 Jan. 2025

Each stage has several substages, and each of those can take weeks to months, depending on the size of the problem and its constraints. — Somdeb Majumdar, IEEE Spectrum, 21 Nov. 2024

The site provides evidence that periods between substage glacial advances were long enough for forests to develop, the DNR says. — Patti Zarling, Journal Sentinel, 11 June 2024

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

Word History

First Known Use

1888, in the meaning defined above

Rhymes for substage

• assuage
• backstage
• bocage
• downstage
• engage
• enrage
• leafage
• messuage
• offstage
• onstage
• outrage
• pelage

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