Definition

1. Adjective:

   • Having or causing fever: Describes a state characterized by fever or a substance/agent that induces fever.

2. Noun:

   • Any substance that can cause a rise in body temperature: A pyrogenic agent; something that produces fever when introduced into the body.

Usage Examples

• Adjective:

  • The doctor identified a pyrectic reaction to the medication. (The doctor identified a fever-causing reaction.)
  • The patient's pyrectic state required immediate cooling measures. (The patient's feverish state required immediate cooling measures.)

• Noun:

  • Certain bacterial endotoxins are potent pyrectics. (Certain bacterial endotoxins are potent fever-causing substances.)
  • The research focused on neutralizing the pyrectic released during the infection. (The research focused on neutralizing the fever-inducing substance.)

Advanced Usage

• The term is primarily used in medical, pharmacological, or physiological contexts rather than in everyday language.
• It is often used interchangeably with the more common term pyrogenic, especially in technical writing.

Variants and Related Words

• Pyrexia (n): The medical term for fever.
  • The patient was admitted with pyrexia of unknown origin.
• Antipyretic (adj/n): Having the effect of reducing fever; a substance that reduces fever.
  • Paracetamol is a common antipyretic medication.

Synonyms

• Adjective: Febrile, feverish, pyrogenic.
• Noun: Pyrogen, fever-producing agent.

Notes on Meaning

• The adjective form relating to "having a fever" (pyrectic state) is less common than the simpler terms or .
• The noun form is highly specific to biomedical sciences, referring to the causative agent of fever itself.

Adjective

1. having or causing fever

Noun

1. any substance that can cause a rise in body temperature