1. Having the same foci

Encyclopedia: Confocal

• Pecos
• Pecos River
• pecs
• pecten
• Pecten irradians
• Pecten magellanicus
• pectic
• pectic acid
• pectin
• pectinate
• pectineal
• Pectinibranchia
• Pectinidae
• pectoral
• pectoral arch
• pectoral fin
• pectoral girdle
• pectoral medallion
• pectoral muscle
• pectoral sandpiper
• pectoral vein
• pectoralis
• pectoralis major
• pectoralis minor
• pectus