crosshead
Học thuậtThân thiện
Definition
- Noun:
- A metal block that connects to a piston; it slides on parallel guides and moves a connecting rod back and forth. This is a mechanical component in engines and pumps.
- A heading of a subsection printed within the body of the text. This is a typographical term for a subheading that appears within a column of text, often used in newspapers, magazines, and reports to break up long sections.
Usage Examples
- Noun (Mechanical):
- The engineer inspected the crosshead for signs of wear.
- In a steam engine, the crosshead translates the piston's reciprocating motion.
- Noun (Typography):
- The article used a bold crosshead to introduce the new section.
- Please insert a crosshead every few paragraphs to improve readability.
Advanced Usage
- The typographical crosshead is distinct from a main headline or a sidebar heading. Its primary function is to guide the reader through a lengthy piece of text.
- In mechanical engineering, the crosshead is a critical component for reducing sideways thrust on the piston rod.
Variants and Related Words
- Crossheading (n): Another term for the typographical crosshead.
- Subheading (n): A more general term for any heading below the main title, which includes a crosshead.
- Connecting rod (n): The rod that is attached to and moved by the crosshead in an engine.
Synonyms
- For the typographical meaning: Subhead, subheading, intermediate heading.
- For the mechanical meaning: Slipper block, crosshead shoe (in specific contexts).
Notes on Different Meanings
- These are two completely distinct meanings (homographs) that share the same spelling. The intended meaning is always clear from the context (e.g., engineering vs. publishing/editing).
- There are no direct antonyms for either specific meaning.
Noun
- metal block that connects to a piston; it slides on parallel guides and moves a connecting rod back and forth
- a heading of a subsection printed within the body of the text