gear-case
- Noun:
- A protective housing for gears: "gear-case" refers to a container or enclosure that surrounds and protects the gears of a machine, such as in an automobile or bicycle, preventing dirt and debris from entering and retaining lubrication.
- (The protective housing was taken off to examine the internal gears.)
- (The enclosure shields the gear mechanism from external elements.)
"to open the gear-case": to access the internal gears for maintenance or repair.
- Before oiling the gears, you must open the gear-case carefully. (Remove the protective cover to reach the parts.)
"sealed gear-case": a type of gear-case that is permanently closed to prevent contamination.
- Modern vehicles often use a sealed gear-case that requires no regular servicing. (The housing is designed to be maintenance-free.)
Gearbox (n): a more common term for a gear-case, especially in automobiles, containing the gears and mechanism for changing speed.
- The gearbox in this car has six forward speeds. (The transmission housing holds the gear system.)
Gear housing (n): another synonym for gear-case, emphasizing the protective function.
- The gear housing is made of cast iron for durability. (The enclosure is built to withstand heavy use.)
- Transmission case: a housing that contains the transmission gears in a vehicle.
- Chain case: a specific type of gear-case for bicycles that encloses the chain and sprockets.
"in gear": not directly related to gear-case, but refers to a state of readiness or operation.
- The engine is in gear and ready to move. (The transmission is engaged.)
"shift gears": to change speed or direction, often metaphorically.
- After the break, we shifted gears and focused on a new topic. (Changed approach or strategy.)
Note: "gear-case" is a compound noun and is primarily used in technical contexts, such as automotive or mechanical engineering. It is less common in everyday speech than "gearbox" or "transmission case."