🇵🇹Portuguese Source WordCode: PT

Halogênio

Pronunciation / Transliteration: ah-loh-zhen-ee-oh

🇬🇧 Direct English Meaning:
Halogen/ˈhæləʤən/
nounCEFR B2 (Upper)Top #1500 frequency
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🇵🇹 Example Sentence in Portuguese:

"O flúor é um halogênio muito reativo."

Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    Any of the elements in group 17 of the periodic table, which includes fluorine, chlorine, bromine, iodine, and astatine.

    "Fluorine is the most reactive halogen and is used in toothpaste to prevent cavities."
  2. 2

    A halogen compound or a substance containing halogen elements.

    "Halogenated hydrocarbons are often used as solvents in chemical processes."

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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

The term 'halogen' originates from the Greek words 'halos', meaning 'salt', and 'genes', meaning 'forming'. It was first used in the early 19th century to describe a group of elements that produce salts when combined with metals.

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