lông theo

Vịt con đang mọc lông theo trên cánh của nó.

Definition

1. Noun:
   • Pinfeather: The specific type of feather that grows when a duck begins to mature and transition from down to its adult plumage.

Usage Examples

• Noun:
  • Vịt mọc lông theo. (The duck is growing its pinfeathers.)

Advanced Usage

• This term is highly specific to poultry and avian development, particularly in domestic ducks. It describes a precise stage in the feather growth cycle.

Variants and Related Words

• Lông ống (n): contour feather or flight feather; the mature, stiff feathers.
• Lông tơ (n): down feather; the soft, fluffy feathers covering young birds.

Synonyms

• Pinfeather: A young feather just emerging through the skin, still encased in a keratin sheath.
• Blood feather: A developing feather that still has a blood supply in its shaft.

Notes on Usage

• "Lông theo" is a specialized, technical term. In general or everyday contexts, the broader term "lông" (feather) is used.
• It is not commonly used in figurative expressions or idioms.