siliceous

/si'liʃəs/ Cách viết khác : (silicic) /si'lisik/ (siliciferous) /,sili'sifərəs/ (silicious

Thân thiện

Gritrock is a siliceous sandstone used in construction.

Definition

1. Adjective:
   • Relating to or containing silica: Describes a substance, material, or organism that is composed of, contains, or is characterized by silica (silicon dioxide, SiO₂).
   • Resembling silica: Having properties similar to silica, such as being hard, glassy, or brittle.

Usage

• The adjective siliceous is used primarily in scientific contexts, especially geology, chemistry, and biology.
• It modifies nouns to describe their composition or nature.
• Example: siliceous

Examples

• Adjective:
  • Diatoms are microscopic algae with siliceous cell walls.
  • The hard, white cliffs are composed of siliceous limestone.
  • This type of siliceous rock is often used as an abrasive.

Advanced Usage

• "Siliceous ooze": A deep-sea sediment composed of the siliceous remains of microorganisms like diatoms and radiolarians.
  • Large areas of the ocean floor are covered in siliceous ooze.
• "Siliceous sinter": A porous, siliceous deposit formed by hot springs or geysers.
  • The geyser is surrounded by terraces of siliceous sinter.

Variants and Related Words

• Silicic (adj): Another adjective meaning "relating to, containing, or derived from silica." Often used in chemical contexts (e.g., ).
• Siliciferous (adj): Specifically meaning "yielding or containing silica."
• Silicious (adj): An alternative, less common spelling of siliceous.

Synonyms

• Flinty: Resembling flint (a form of silica) in hardness.
• Glassy: Having a texture or appearance like glass (a non-crystalline form of silica).

Different Meanings

• The word siliceous has a single, specific scientific meaning related to silica. It does not have common metaphorical or idiomatic uses outside of technical descriptions.

Học thuật

Adjective

1. relating to or containing or resembling silica
   • gritrock is siliceous sandstone

Từ đồng nghĩa

• silicious