mm

Definition

'Mm' is usually a sound people make when they are thinking, agreeing, or reacting quietly. It can also be the written abbreviation for 'millimeter' in measurements.

Usage & Nuances

As a sound, 'mm' is informal and common in speech, text messages, and dialogue. Its meaning depends on tone: it can show interest, hesitation, agreement, or doubt. In writing about measurements, 'mm' is neutral and standard for 'millimeter'.

Example Sentences