anaerobia

Anaerobia thrive in the oxygen-deprived mud at the bottom of a pond.

Definition

1. Noun (plural of ):
   • Anaerobic organisms: "anaerobia" refers to microorganisms, especially bacteria, that can live and grow in the absence of free oxygen. They obtain energy through anaerobic respiration or fermentation.

Usage Examples

• Noun:
  • The study focused on the role of anaerobia in the human gut. (Anaerobic bacteria that thrive without oxygen in the digestive system.)
  • Certain anaerobia are essential for breaking down organic matter in swampy environments. (Microorganisms that decompose material in oxygen-poor conditions.)

Advanced Usage

• "strict anaerobia": organisms that cannot tolerate any oxygen at all.

  • Strict anaerobia die quickly when exposed to air. (These microbes are highly sensitive to oxygen.)

• "facultative anaerobia": organisms that can survive with or without oxygen.

  • Facultative anaerobia like some yeasts can switch between aerobic and anaerobic metabolism. (They adapt to changing oxygen levels.)

Variants and Related Words

• Anaerobe (n): a single anaerobic organism.

  • An anaerobe was isolated from the deep-sea sediment. (A single microbe that lives without oxygen.)

• Anaerobic (adj): relating to or requiring an absence of free oxygen.

  • Anaerobic respiration produces less energy than aerobic respiration. (A metabolic process without oxygen.)

• Anaerobiosis (n): the state of living without oxygen.

  • Anaerobiosis is common in certain bacteria and archaea. (The condition of existing in an oxygen-free environment.)

Synonyms

• Anaerobic bacteria: bacteria that do not require oxygen.
• Obligate anaerobes: organisms that die in the presence of oxygen.
• Facultative anaerobes: organisms that can live with or without oxygen.

Related Idioms