Definify.com

Definition 2025

IGM

IGM

See also: IgM

English

Noun

IGM ‎(plural IGMs)

(astronomy) Abbreviation of intergalactic medium.

Related terms

(intergalactic medium):

IPM (interplanetary medium)
ISM (interstellar medium)
ICM (intracluster medium)
EGM (extragalactic medium)
ECM (extra-cluster medium)