Definition
acarus
noun
- A tiny arachnid of the order Acari, including mites and ticks; a parasitic or free-living mite.
Usage: technical/zoological; plural: acari
Examples
- The acarus is so small that it is barely visible to the naked eye.
- Dust mites are a common type of acarus found in household bedding.
- The biologist examined the acarus under a microscope to identify its species.
- Some species of acarus can cause allergic reactions in humans.
- The acarus feeds on dead skin cells and organic debris.