spacer
spacer — noun
- spacersingular
- spacersplural
1. a small object placed between two parts to stop them from touching or to keep a
a small object placed between two parts to stop them from touching or to keep a fixed distance between them
Diego placed small plastic spacers between the floor tiles before adding grout.
pattern: spacer + between + [plural noun]
The mechanic inserted a thin metal spacer to keep the two gears apart.
Amara threaded a rubber spacer onto the bolt before tightening the nut.
A ceramic spacer sat between each brick, leaving room for the mortar.
Without the tiny plastic spacers, the glass panels would have cracked in the heat.
用法筆記
Common in construction, manufacturing, and dentistry where precise gaps between parts matter. The object itself is usually small and made of plastic, metal, or rubber.
2. a hollow plastic tube that connects to an asthma inhaler, holding the spray so t
a hollow plastic tube that connects to an asthma inhaler, holding the spray so the user can breathe the medicine in more easily and deeply
Chiamaka attached a spacer to her inhaler so the medicine would reach deeper into her lungs.
domain: medicine — device used with asthma inhalers
The doctor showed Hasan how to connect the spacer to his asthma pump.
Ingrid bought a spacer with a face mask at one end for her young son.
The pharmacist explained that a spacer stops the spray from hitting the back of the throat.
Tariq pressed the inhaler into the spacer and breathed in the medicine slowly.
用法筆記
Used specifically with metered-dose inhalers for asthma. The spacer holds the medicine in the chamber so the user can inhale it at their own pace, rather than trying to coordinate pressing the inhaler and breathing in at the same time.