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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

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

Morgan SE systematically failed to submit suspicious activity reports in a timely manner in the period from October 2021 through September 2022.

From The Wall Street Journal • Nov. 6, 2025

The aim of the group is to use atomic resolution SE imaging to reveal the surface structure at the atomic level, including surface reconstruction and other unique structures formed on surfaces.

From Science Daily • Nov. 18, 2024

Othello Station and Tukwila Station Pharmacies are locally owned community pharmacies dedicated to providing outstanding customer service to the diverse population of the heart of SE Seattle and King County.

From Seattle Times • May 31, 2024

A guard in a blue-and-gray uniform with SE printed on his jacket waved them through.

From "Stormbreaker" by Anthony Horowitz