gill

/dʤil/

Thân thiện

A fish uses its gills to breathe underwater.

Definition

1. Noun:
   • Respiratory organ of aquatic animals: A gill is the organ through which fish and other aquatic animals extract oxygen from water.
   • Spore-producing structure on a fungus: A gill is one of the thin, radiating, blade-like structures on the underside of the cap of a mushroom or similar fungus, where spores are produced.
   • A unit of liquid volume: A gill is a unit for measuring liquids. In the US, it equals 4 fluid ounces. In the UK, it equals 5 fluid ounces.

Usage Examples

• Noun (Respiratory organ):
  • Fish use their gills to breathe underwater.
  • The biologist examined the gill structure of the trout.
• Noun (Fungal structure):
  • The mushroom's gills were a dark brown color.
  • To identify the species, look at the spacing of the gills.
• Noun (Unit of measurement):
  • The recipe called for a gill of cream. (UK usage)
  • He poured a gill of whiskey into the glass. (US usage)

Advanced Usage

• "To be green about the gills": To look pale or sickly, often from nausea.
  • After the rough boat ride, he was looking a bit green about the gills.
• "To be rosy about the gills": To look healthy and with a good complexion.
  • The cold morning air left her rosy about the gills.

Variants and Related Words

• Gilled (adj): Having gills.
  • Gilled mushrooms are common in this forest.
• Gill net (n): A type of fishing net that catches fish by their gills. (This is a compound word listed separately as instructed).

Synonyms

• Lamella: A thin layer, plate, or membrane, especially in a biological context; can be synonymous with a fungal gill.
• Branchia: The technical zoological term for a gill.

Related Phrases

• Gill cover: The bony flap (operculum) protecting the gills of a fish.
  • The fish's gill cover moved rhythmically as it breathed.

Học thuật

Noun

1. respiratory organ of aquatic animals that breathe oxygen dissolved in water
2. any of the radiating leaflike spore-producing structures on the underside of the cap of a mushroom or similar fungus
3. a United States liquid unit equal to 4 fluid ounces
4. a British imperial capacity unit (liquid or dry) equal to 5 fluid ounces or 142.066 cubic centimeters

Từ đồng nghĩa

• branchia
• lamella