Definition

1. Noun:
   • Halo; Aureole: A ring of light, often seen around the sun or moon, caused by the refraction or diffraction of light by ice crystals or water droplets in the atmosphere.
   • Circle of Light: A circular area of light surrounding a source, such as a lamp.
   • Dark Circle: A dark, discolored ring or area around the eyes, typically caused by fatigue, lack of sleep, or age.

Usage Examples

• Noun:
  • Nhìn kìa, mặt trăng có quầng! (Look, the moon has a halo!)
  • Ánh đèn đường tạo ra một quầng sáng vàng trong sương mù. (The street lamp created a yellow circle of light in the fog.)
  • Cô ấy trông rất mệt mỏi với đôi mắt thâm quầng. (She looks very tired with dark circles under her eyes.)

Advanced Usage

• The appearance of a quầng around the moon is the subject of a Vietnamese weather proverb: (A halo around the moon predicts drought, a corona around the moon predicts rain.)
• In a medical context, "quầng tăng nhãn áp" (glaucomatous halo) refers to a visual symptom associated with glaucoma.

Variants and Related Words

• Quầng thâm (n): Specifically refers to dark under-eye circles.
  • Anh ấy thức khuya nhiều nên bị quầng thâm. (He stays up late a lot, so he has dark circles.)
• Vầng (n): Can also mean a halo or disk of light, often used poetically. It can imply a larger, more radiant circle than quầng.

Synonyms

• Halo / Aureole: For the ring around a celestial body.
• Ring / Circle of light: For the illuminated area.
• Dark circle / Eye bag: For the discoloration under the eyes.

Related Idioms and Expressions

• Mắt có quầng / Mắt thâm quầng: To have dark circles under one's eyes.
  • Làm việc cả đêm khiến tôi mắt có quầng. (Working all night gave me dark circles under my eyes.)

noun

1. halo; aureole; aureola
   • quầng trăng
     the moon's halo