1. Having the property of becoming permanently hard and rigid when heated or cured
   - thermosetting

Encyclopedia: Thermoset

• photometry
• photomicrograph
• photomontage
• photomosaic
• photomultiplier
• photon
• photoperiodism
• photophobia
• photophore
• photopic
• photopic vision
• photopigment
• photoplate making
• photoreceptor
• photoretinitis
• photosensitise
• photosensitive
• photosensitivity
• photosensitize
• photoshop
• photosphere
• photospheric
• photostat
• Photostat machine
• photosynthesis