English Reference

Word

GMT

Phoneticsgmt

Definitions

01Greenwich Mean Time

B2

n. Stands for Greenwich Mean Time. This is the time at the 0° line of longitude in London, used to set clocks globally.

n. Abbreviation for Greenwich Mean Time. The mean solar time at the Royal Observatory in Greenwich, London, serving as the baseline for the world's time zones.

“The international flight is scheduled to depart at 14:00 GMT.”

“The scientific team synchronized their instruments to GMT to ensure that data collected across different continents could be accurately compared.”

Synonyms

UTCUniversal Time

02medical condition

C2 · Medicine

n. Stands for gelatinous bone-marrow transformation. A rare condition where bone marrow turns into a jelly-like substance, often due to severe illness.

n. Abbreviation for gelatinous bone-marrow transformation. A clinicopathological entity characterized by the focal or diffuse replacement of normal bone marrow by a gelatinous substance.

“The doctor explained that GMT can occur in patients suffering from extreme malnutrition.”

“Histological examination of the biopsy confirmed the presence of GMT, a finding often associated with advanced stages of anorexia nervosa or chronic infection.”

Technical

Usage

Used as an uncountable noun in medical contexts.

Real-World Examples

“You can listen on the BBC World Service on Mondays, Wednesdays and Fridays at 0800 GMT.”
BBC News · 25 Aug 2026
“As of 11am Hawaii Standard Time (21:00 GMT), Moke was located about 684 kilometres, or 425 miles, south of Hilo, a city on the eastern coast of Hawaii Island.”
Al Jazeera · 22 Aug 2026

Domain

Medicine

This entry

Level
B2 · Upper Intermediate
Frequency
Frequent
Updated

Scan code

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English Reference