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单词 ventral fin
释义

Definition of ventral fin in English:

ventral fin

noun
  • 1Zoology

    another term for pelvic fin
    1. 1.1 An unpaired fin on the underside of certain fishes.
      Example sentencesExamples
      • In green swordtails, the sword consists of a set of ventral fin rays that extend posteriorly beyond the caudal fin margin.
      • They have no pectoral or ventral fins and their dorsal, tail and anal fins are merged into one long fin down the back.
      • Haddock are typically cod-like with three dorsal fins and two ventral fins.
      • The Feather Fin with its curtain-like ventral fin and carbon black body swirls its ventral fin even while remaining stable in the water.
      • Cod have three dorsal fins and two ventral fins for increased manoeuvrability.
  • 2A single vertical fin under the fuselage or tail of an aircraft.

    Example sentencesExamples
    • A ventral fin was also installed but by the time testing was completed, the Navy had lost interest in the program.
    • The Star also sported a forward-opening canopy, ventral fin and composite MT prop.
    • The Impala has a small lipstick camera mounted on the ventral fin to record the visual and audio aspects of your flight.
    • IAI and Cyclone Aviation Products Ltd in Carmiel manufacture the ventral fins, rudders, horizontal stabilisers and engine access doors.
 
 

Definition of ventral fin in US English:

ventral fin

noun
Zoology
  • 1

    another term for pelvic fin
    1. 1.1 An unpaired fin on the underside of certain fishes.
      Example sentencesExamples
      • Haddock are typically cod-like with three dorsal fins and two ventral fins.
      • In green swordtails, the sword consists of a set of ventral fin rays that extend posteriorly beyond the caudal fin margin.
      • They have no pectoral or ventral fins and their dorsal, tail and anal fins are merged into one long fin down the back.
      • The Feather Fin with its curtain-like ventral fin and carbon black body swirls its ventral fin even while remaining stable in the water.
      • Cod have three dorsal fins and two ventral fins for increased manoeuvrability.
    2. 1.2 A single vertical fin under the fuselage or tail of an aircraft.
      Example sentencesExamples
      • A ventral fin was also installed but by the time testing was completed, the Navy had lost interest in the program.
      • The Star also sported a forward-opening canopy, ventral fin and composite MT prop.
      • IAI and Cyclone Aviation Products Ltd in Carmiel manufacture the ventral fins, rudders, horizontal stabilisers and engine access doors.
      • The Impala has a small lipstick camera mounted on the ventral fin to record the visual and audio aspects of your flight.
 
 
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更新时间:2024/9/22 14:38:28