Definition

1. Noun:
   • Cotyledon: In botany, 'liên đài' refers to the first leaf or pair of leaves that appear from a germinating seed, which often has a different shape from the plant's later leaves.
   • Echeveria: 'liên đài' is also a common name for a genus of succulent plants in the stonecrop family (Crassulaceae), known for their rosette-shaped leaves.

Usage Examples

• Noun:
  • Hạt giống này đã nảy mầm và xuất hiện liên đài. (This seed has germinated and the cotyledon has appeared.)
  • Cô ấy sưu tập rất nhiều loại liên đài (echeveria) khác nhau. (She collects many different types of echeveria.)

Advanced Usage

• Botanical Context: The term is primarily used in specialized botanical contexts to describe plant anatomy or specific plant genera.
  • Liên đài là một bộ phận quan trọng trong quá trình nảy mầm của hạt. (The cotyledon is an important part of the seed germination process.)

Variants and Related Words

• Lá mầm: This is a more common Vietnamese term for 'cotyledon', often used interchangeably with 'liên đài' in a botanical sense.
• Sen đá: This is a common, general Vietnamese name for succulent plants, including those of the genus. It is more frequently used in everyday conversation than the term 'liên đài'.

Synonyms

• Cotyledon: Lá mầm (seed leaf).
• Echeveria: Sen đá (a general term for many succulents).

Related Phrases/Idioms

• This is a technical/scientific term. There are no common idioms or phrasal verbs associated with 'liên đài' in everyday Vietnamese language use.