infection.

1. The entry and multiplication of infectious agents in an organism, or the resulting condition.

2. The presence or activity of malicious software in a computer or related system.

Use it for

Words that belong together

• wound infection
• bacterial infection

On the page

The clinician checked the wound for infection.

The laboratory identified a bacterial infection.

The report distinguished infection from irritation.

Usage notes

Primary category: horror. Forms: Singular infection; plural infections; also mass. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.