Meaning & use
doser
Last updated
Meanings
nouncountabletechnical
A device that releases a controlled, measured amount of a substance such as a chemical, medicine or additive into a flow or container.
Grammar: A regular countable noun: a doser, two dosers.
Patterns
- a doser for something
The pool has an automatic doser that adds chlorine every few hours.
A faulty doser put too much fertilizer into the water supply.
The farmer fitted a doser to the drinking trough to deliver the vitamins.
nouncountablerare
A person who gives a dose of medicine to an animal or patient.
Grammar: Rare; usually appears in farming contexts: the doser held the sheep still.
The doser worked quickly along the line of calves.
Only a trained doser should give the drench to young lambs.
Word forms
| plural | dosers |
|---|
Common combinations
- an automatic doser
- An automatic doser keeps the aquarium's nutrient level steady.
- a chemical doser
- The plant installed a chemical doser to treat the wastewater.
- calibrate the doser
- Technicians must calibrate the doser every month.
- fit a doser
- We fitted a doser to the irrigation line.
Synonyms and how they differ
- dispenser
- A dispenser is the everyday word for anything that releases a product, while a doser implies exact, measured amounts.
- metering pump
- A metering pump is a specific engineering device, whereas doser can describe any measuring and releasing unit.
- applicator
- An applicator puts a substance onto a surface, while a doser adds it into a flow or container.
Word family
Commonly confused: doser or dozer?
doser vs dozer
A dozer is short for bulldozer and has nothing to do with doses; it is also spelled differently.
Practice
The water treatment plant uses a ___ to add a precise amount of chlorine each hour.
Choose one answer.
A doser is the device that releases measured amounts; dosage and dose are the amounts themselves, and dozer is a different machine.
Make it your own
Write a sentence using “doser”, then check it and compare it with the examples above.