1. One quadrillionth 10^(-15)

Encyclopedia: Femto-

• Placuna placenta
• plagal
• plagal cadence
• plage
• Plagianthus
• Plagianthus betulinus
• Plagianthus regius
• plagiarisation
• plagiarise
• plagiarised
• plagiariser
• plagiarism
• plagiarist
• plagiaristic
• plagiarization
• plagiarize
• plagiarized
• plagiarizer
• plagiary
• plagiocephaly
• plagioclase
• plagioclastic
• plague
• plague pneumonia
• plague spot