upstroke

/' pstrouk/

Thân thiện

The calligrapher practiced a smooth upstroke with her pen.

Definition

1. Noun:
   • An upward stroke or movement: A line or mark made by moving a pen, brush, or tool upward. This term is most commonly used in the context of handwriting, calligraphy, or the mechanics of engines.
   • The upward movement of a piston or part in a machine: In mechanics, it refers to the upward travel of a component, such as in an internal combustion engine.

Examples of Usage

• Noun:
  • In calligraphy, the thickness of the line varies between the downstroke and the upstroke.
  • The engine's cycle includes an intake upstroke followed by a compression downstroke.
  • Her signature has a very distinctive, looping upstroke on the letter 'y'.

Advanced Usage

• "to make an upstroke": to execute an upward pen movement.
  • When writing the letter 't', you make a downstroke for the stem and a short upstroke to cross it.
• In technical diagrams: The term is used to label the direction of component movement.
  • The diagram clearly indicates the upstroke phase of the pump's operation.

Variants and Related Words

• Stroke (n): a single mark or movement, especially with a pen or tool.
  • He practiced his brush strokes for hours.
• Downstroke (n): a stroke normally made in a downward direction, often contrasted with an upstroke.
  • Apply more pressure on the downstroke to create a thicker line.

Synonyms

• Upward stroke/movement: A general term for any motion directed upward.
• Ascending line: A line that moves upward, often used in artistic contexts.

Antonyms

• Downstroke: A stroke normally made in a downward direction.

Học thuật

Noun

1. a stroke normally made in an upward direction