sulcate

/'sʌlkeit/ Cách viết khác : (sulcated) /'sʌlkeitid/

Thân thiện

The fossil shell is distinctly sulcate.

Definition

1. Adjective:
   • Having deep narrow furrows or grooves: Describes a surface that is marked with long, narrow, and often parallel indentations or channels.

Usage

• The term "sulcate" is a technical adjective, primarily used in scientific fields such as biology, botany, geology, and anatomy. It describes physical morphology. It is not commonly used in everyday conversation.
• It is typically used attributively (before a noun) or predicatively (after a linking verb like "is" or "appears").

Examples

• Attributive use (before a noun):
  • The botanist examined the sulcate stem of the plant under a microscope.
  • The fossil displayed a sulcate texture on its surface.
• Predicative use (after a linking verb):
  • The seed coat is deeply sulcate.
  • The terrain here appears sulcate, eroded by ancient glaciers.

Advanced Usage

• Comparative and Superlative Forms: While rare, the forms "more sulcate" and "most sulcate" can be used.
  • This species has a more sulcate bark than its relative.
• Adverbial Form: "Sulcately" (very rare).
  • The ridges ran sulcately across the surface.

Variants and Related Words

• Sulcated: An alternative adjective form with the same meaning.
  • The sulcated pattern was clearly visible.
• Sulcus (noun): A groove or furrow, especially one on the surface of the brain or in a bodily organ.
  • The central sulcus divides the brain's frontal and parietal lobes.
• Sulcation (noun): The state of being sulcate; a sulcate formation.
  • The sulcation of the soil indicated water erosion.

Synonyms

• Furrowed: Having long, narrow grooves.
• Grooved: Having a channel or indentation.
• Channeled: Formed with a groove or passage.
• Striated: Marked with parallel lines, ridges, or grooves (can be similar but often implies finer lines).

Antonyms

• Smooth: Having an even and regular surface; free from projections or indentations.
• Even: Flat and level without grooves.
• Planar: Relating to a flat surface.

Notes

• "Sulcate" is a descriptive term borrowed directly from Latin (, past participle of 'to furrow'). Its usage is almost exclusively found in academic and technical writing.
• Do not confuse with common words like "sulk" (to be silent and bad-tempered). They are etymologically unrelated.

Học thuật

Adjective

1. having deep narrow furrows or grooves