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positron

Upper-Intermediate (B2)

IPA: /ˈpɒzɪtrɒn/

KK: /ˈpɒzɪtrɒn/

noun
Definition

A tiny particle that is similar to an electron but has a positive charge instead of a negative charge.


Example

In particle physics, a positron is often produced in certain types of radioactive decay.


Conversation
Sloth A
Have you ever heard of a positron?
Sloth B
Yeah, it's like the opposite of an electron, right?
Sloth A
Exactly! It's interesting how they both have the same mass.
Sloth B
I know! It’s fascinating how particles can have such unique properties.

Synonyms & Antonyms
Synonyms
antielectron
Antonyms
Root Explanation

Positron is formed from "posit-" (from Latin "positus", meaning placed or positioned) and "-ron" (a suffix used in particle physics to denote a subatomic particle). The word "positron" refers to a subatomic particle that is the antiparticle of the electron, essentially a particle that is positioned in opposition to the electron.

Memory Tip

Think of 'posit-' meaning 'placed' or 'positioned' — the positron is a particle that is positioned as the opposite of an electron.

Visually Confused Words
postern
plosion
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