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• Se
  Se

  selenium.
• SE
  SE

  southeast.
• se-
  se-

  a prefix occurring in loanwords from Latin, where it meant “apart”.
• se
  se

  abbreviation

  Sweden

Se

¹ American  

Symbol, Chemistry.

1. selenium.

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SE ² American  

Or S.E.

1. southeast.

2. southeastern.

3. Standard English.

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se- ³ American  

1. a prefix occurring in loanwords from Latin, where it meant “apart”.

   seduce; select.

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Se ¹ British  

symbol

1. selenium

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SE ² British  

symbol

1. southeast(ern)

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se ³ British  

abbreviation

1. Sweden

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Etymology

Origin of se-

< Latin sē ( d ) (preposition), sē- (prefix) without, apart

Example Sentences

The bank says Porsche SE is the cheapest auto stock in Europe, and its view on Volkswagen remains positive.

From The Wall Street Journal • Jun. 9, 2026

Launched in February, the fund owns big European industrials and defense suppliers such as Rhinemetall AG, BAE Systems PLC, Airbus SE, and Safran SA.

From Barron's • Apr. 5, 2026

It will launch in the UK for £599, which is £200 less than the iPhone 16 - but more than double what the original iPhone SE went for when it launched in 2016.

From BBC • Feb. 19, 2025

The researchers found that atomic resolution SE imaging is effective in identifying surface atomic arrangements with extremely high surface sensitivity.

From Science Daily • Nov. 18, 2024

A second fork of animated lightning sliced across the screen, there was a swirl of clouds, and then in burning red the letters SE, the logo of Sayle Enterprises.

From "Stormbreaker" by Anthony Horowitz