as

Definition

1. Noun:
   • Arsenic: The chemical element with the symbol As and atomic number 33. It is a brittle, steel-gray metalloid.

Usage Examples

• Noun:
  • As là một nguyên tố độc hại. (As is a toxic element.)
  • Nguồn nước bị nhiễm as. (The water source is contaminated with arsenic.)

Advanced Usage

• "asen": The Vietnamese transliteration of "arsenic," often used interchangeably with the symbol "As."
  • Hàm lượng asen trong mẫu đất rất cao. (The arsenic content in the soil sample is very high.)

Variants and Related Words

• Arsenic trioxide (n): A compound of arsenic (As₂O₃), a highly toxic white powder.
  • Asen trioxit từng được dùng làm thuốc. (Arsenic trioxide was once used as medicine.)

Synonyms

• Arsenic: The common name for the element.
• Metalloid: Describes its chemical nature, sharing properties of metals and nonmetals.

Related Terms

• Arsenate (n): A salt or ester of arsenic acid.
• Arsine (n): A toxic, flammable gas (AsH₃) composed of arsenic and hydrogen.