a pencil of pigment and compressed grease encased in a spiral paper strip that can be partially unwound to expose a new point and used especially for writing on glossy surfaces.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use grease pencil in a sentence
Mark the pipette (with the grease pencil) with the distinctive number of the serum and place it in the glass box or tray.The Elements of Bacteriological Technique | John William Henry Eyre
Len crossed off each day on their wall calendar with an emphatic black grease pencil.Special Delivery | Damon Francis Knight
Mike made a dot on the screen with a grease pencil where the pip showed.Space Tug | Murray Leinster