Infection

Definition

Infection is a noun that refers to the invasion and multiplication of harmful microorganisms, such as bacteria, viruses, fungi, or parasites, in the body, which can cause illness or disease. It can also describe the process by which a disease is transmitted or spread.

Parts of Speech

• Noun

Pronunciation

American English

• IPA Pronunciation: /ɪnˈfɛk.ʃən/
• Respelling: in-FEK-shuhn

British English

• IPA Pronunciation: /ɪnˈfɛk.ʃən/
• Respelling: in-FEK-shuhn

Etymology

The word "infection" originates from the Latin "infectio," meaning "contamination," derived from "inficere," which means "to taint" or "to infect." It entered Middle English through Old French in the 14th century and has since retained its medical and metaphorical meanings.

Derivatives

• Infect (verb)
• Infectious (adjective)
• Infectivity (noun)
• Disinfection (noun)
• Infectiously (adverb)

Synonyms

• Contamination
• Disease
• Illness

Antonyms

• Health
• Cleanliness
• Purity

Usage

The term "infection" is widely used in medical and general contexts. For example, "The infection spread rapidly through the community," or "Wound care is crucial to prevent infection."

Related Terms

• Pathogen: A microorganism that causes disease.
• Antibiotic: A medicine used to treat bacterial infections.
• Immune system: The body’s defense mechanism against infections.

Detailed Definitions

Noun

• The invasion of harmful microorganisms in the body: Refers to the process by which pathogens enter and multiply in a host, causing disease.
  • Example: "The doctor prescribed antibiotics to treat the bacterial infection."
• The process by which a disease is transmitted: Describes the spread or transfer of a contagious disease.
  • Example: "Wearing masks reduces the risk of infection in crowded places."
• A condition caused by infection: Indicates the state of being infected and showing symptoms.
  • Example: "The patient showed signs of a respiratory infection."