protozoan
Học thuậtThân thiện
Definition
Noun:
- Any of diverse minute acellular or unicellular organisms usually nonphotosynthetic: A protozoan is a very small, single-celled organism that is a type of protist. Most protozoans are not photosynthetic, meaning they do not make their own food from sunlight, and they are often found in water or as parasites.
Adjective:
- Of or relating to the Protozoa: This describes something that is connected to or characteristic of protozoans.
Usage Examples
Noun:
- The pond water was teeming with various protozoans visible under the microscope.
- Malaria is caused by a parasitic protozoan transmitted by mosquitoes.
Adjective:
- The scientist studied the protozoan life cycle in detail.
- This disease is a protozoan infection, not a bacterial one.
Advanced Usage
- The term is often used in scientific and medical contexts to distinguish this group of organisms from bacteria, algae, and fungi.
- "Protozoan" can be used interchangeably with "protozoon" (plural: protozoa) as a noun, though "protozoan" is more common in general use.
Variants and Related Words
- Protozoa (n, plural): The taxonomic group or phylum comprising all protozoans.
- Protozoa are classified based on their methods of movement.
- Protozoology (n): The branch of biology that studies protozoans.
- Protozoal (adj): A less common variant of the adjective .
- Protozoal diseases can be difficult to treat.
Synonyms
- Microorganism (n): A very small living thing, which can include protozoans, bacteria, and viruses.
- Protist (n): A member of a large group of eukaryotic organisms, which includes protozoans and algae.
Related Phrases
- Protozoan parasite (n): A protozoan that lives in or on another organism (a host) and benefits at the host's expense.
- Giardia is a common protozoan parasite affecting the intestines.
Adjective
- of or relating to the Protozoa
Noun
- any of diverse minute acellular or unicellular organisms usually nonphotosynthetic