TechnologyAugust 15, 2026

tritium

TRIT-ee-um

Definition

A radioactive isotope of hydrogen with a mass approximately three times that of ordinary hydrogen, used as a fuel component in nuclear fusion reactions.

Etymology

Derived from the Greek word 'tritos', meaning 'third', because it is the third isotope of hydrogen to be identified.

In the news

In this article, tritium is mentioned in the context of the Korea Institute of Fusion Energy's work on the ITER project, where the institute is responsible for developing storage and delivery systems for this fusion fuel.

South Korea prioritises building SMRs and fusion energy

Read the full article ↗

Enlit World

Related words

automizes

To convert a process, task, or operation so that it is performed automatically by…

Technology

beamforming

A wireless networking technique that focuses a signal toward a specific user or device…

Technology

biomechanical

Relating to the mechanical laws and physical principles that govern the movement and…

Technology

chaser

A specialized cutting tool used to clean, restore, or cut the threads of a screw or bolt.

Technology

chipflation

The economic phenomenon of rising costs for electronic hardware caused specifically by…

Technology

coaxial

A type of electrical cable consisting of a central conductor, an insulating layer, and a…

Technology

Learn words like this every day

Meet new words every morning.

Newspoken pulls carefully chosen words from the day’s news — with clear definitions, context, and light review that makes them stick. Get it on your phone.