Langimage
English

arsenic

|ar-se-nic|

B2

🇺🇸

/ˈɑɹsənɪk/

🇬🇧

/ˈɑːsənɪk/

toxic metalloid element

Etymology
Etymology Information

'arsenic' originates from Medieval Latin 'arsenicum', specifically the word 'arsenicum', where the term referred to the yellow mineral orpiment (an arsenic sulfide).

Historical Evolution

'arsenic' changed from the Greek word 'arsenikon' (ἀρσενικόν) into Medieval Latin 'arsenicum', then entered Middle English (as 'arsenik'/'arsenike') and eventually became the modern English 'arsenic'.

Meaning Changes

Initially, it meant 'the yellow orpiment mineral', but over time it came to denote the chemical element arsenic and its compounds, especially in contexts of toxicity and poisoning.

Meanings by Part of Speech

Noun 1

a chemical element with symbol As and atomic number 33; a brittle, gray metalloid often found in ores.

Arsenic occurs naturally in the earth's crust and is found in some groundwater.

Synonyms

As

Noun 2

compounds of arsenic (especially arsenic trioxide) used historically and sometimes currently as a poison.

The victim had been poisoned with arsenic.

Synonyms

poison (in context)

Adjective 1

relating to or containing arsenic.

The analysis showed an elevated arsenic content in the sample.

Last updated: 2025/10/20 15:55