1. a small cloud or cloudlike mass
Usage: archaic; poetic
2. a faint, hazy appearance or form
Usage: archaic; literary

Examples

• The morning nebule drifted across the valley.
• A faint nebule obscured the distant mountains.
• The artist painted delicate nebules in the sky.
• Through the telescope, he observed a distant nebule.
• The nebule gradually dispersed as the sun rose.