glabrous

/'gleibrəs/

Thân thiện

The botanist examines the glabrous leaf under bright light.

Definition

1. Adjective:
   • Having no hair or similar growth; smooth: "glabrous" describes a surface that is completely devoid of hair, down, or bristles, resulting in a smooth texture. It is a term commonly used in biology, botany, and dermatology.

Usage

• The word "glabrous" is a formal, technical adjective. It is primarily used in scientific contexts to describe plants, animals, or human skin that lacks hair.
• It is not typically used in everyday conversation. In general contexts, words like "smooth," "hairless," or "bald" are more common.

Examples

• Botanical Context:
  • The upper surface of the leaf is a deep green and glabrous.
  • Botanists noted the plant's glabrous stems, which helped in its identification.
• Biological/Zoological Context:
  • The dolphin's skin is glabrous, aiding its hydrodynamic efficiency.
• Dermatological Context:
  • The condition resulted in patches of glabrous skin on his scalp.

Advanced Usage

• "Glabrousness" (noun): The quality or state of being glabrous.
  • The glabrousness of the fruit's skin is a key characteristic for this cultivar.
• In a figurative or literary sense, it can be used to describe something that is unnaturally smooth or bare.
  • The statue's glabrous marble surface reflected the moonlight.

Variants and Related Words

• Glabrescent (adj): Becoming glabrous or nearly hairless with age or maturity.
  • The mature leaves are glabrescent, unlike the hairy young shoots.
• Glabrate (adj): Slightly glabrous or becoming smooth.

Synonyms

• Hairless: Lacking hair.
• Smooth: Having an even and regular surface; free from projections or indentations.
• Bald: Lacking hair on the head (for humans) or a natural covering (e.g., a bald tire).
• Depilated: Having had hair removed.

Antonyms

• Hairy: Covered with hair.
• Hirsute: Covered with coarse or stiff hair (a more technical synonym for hairy).
• Pilose: Covered with soft, distinct hairs.
• Pubescent: Covered with short, soft hair; downy.

Học thuật

Adjective

1. having no hair or similar growth; smooth
   • glabrous stems
   • glabrous leaves
   • a glabrous scalp