Dictionary.com
Thesaurus.com

subglacial

American  
[suhb-gley-shuhl] / sʌbˈgleɪ ʃəl /

adjective

  1. beneath a glacier.

    a subglacial stream.

  2. formerly beneath a glacier.

    a subglacial deposit.


subglacial British  
/ sʌbˈɡleɪsɪəl /

adjective

  1. formed or occurring at the bottom of a glacier

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of subglacial

First recorded in 1810–20; sub- + glacial

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Submarine and subglacial eruptions interact with water in ways that can produce unusual chemical signatures.

From Science Daily Mar. 20, 2026

While Fretwell cautioned he is not an expert in lacustrine habitats, meaning large bodies of water where life may be possible, he said Bedmap3 will help inform new studies of subglacial lakes.

From Salon Apr. 5, 2025

Bell is a research professor at Columbia University who has led 10 expeditions to Antarctica and Greenland in part to study deep subglacial lakes.

From Salon Apr. 5, 2025

In Antarctica, subglacial meltwater is generated from melting that occurs where the ice sits on continental bedrock.

From Science Daily Oct. 27, 2023

“Says the girl sitting outside in subglacial temps while the vampires are out looking for a snack with sprinkles.”

From "Odd One Out" by Nic Stone

Vocabulary.com logo
by dictionary.com

Join 12,000,000 vocabulary learners

Start learning new words today on VocabTrainer.
You'll remember them forever.

Start training