Definition

Noun: 1. A type of bacterium, typically rod-shaped and motile, belonging to the genus Pseudomonas. These bacteria are commonly found in soil and water and are known for producing a greenish, water-soluble, fluorescent pigment. Some species are pathogenic, causing diseases in plants and animals.

Usage Examples

• Noun:
  • The infection was caused by a pseudomonad resistant to several common antibiotics.
  • Researchers isolated a fluorescent pseudomonad from the contaminated water sample.
  • Some pseudomonad species are beneficial and used in bioremediation to break down pollutants.

Advanced Usage

• The term is primarily used in scientific and medical contexts (microbiology, plant pathology, clinical medicine). In informal or general contexts, the more common term "Pseudomonas" (the genus name) or "Pseudomonas infection" is often used instead of "pseudomonad."
• "Pseudomonadaceae": The family name for this group of bacteria.
  • Bacteria from the family Pseudomonadaceae are widespread in the environment.

Variants and Related Words

• Pseudomonas (n): The genus name. Often used interchangeably with "pseudomonad" in general discussion.
  • Pseudomonas aeruginosa is a clinically significant species.
• Pseudomonadal (adj): Relating to or characteristic of pseudomonads.
  • The pseudomonadal pigment diffused into the growth medium.

Synonyms

• Pseudomonas bacterium: A more descriptive synonym.
• Fluorescent bacterium: A descriptive term highlighting a key characteristic of many, but not all, pseudomonads.

Related Phrases / Collocations

• Pseudomonad infection: An infection caused by bacteria of this type.
  • The patient was treated for a pseudomonad infection in the burn wound.
• Pseudomonad pigment: Refers to the characteristic pyoverdine or pyocyanin pigments produced.
  • The pseudomonad pigment gave the culture a distinctive green color.

Noun

1. bacteria usually producing greenish fluorescent water-soluble pigment; some pathogenic for plants and animals