1. A point of convergence of light (or other radiation) or a point from which it diverges
   - focus 
2. A central point or locus of an infection in an organism
   - focus, nidus 
3. The concentration of attention or energy on something
   - focus, focusing, focussing, direction, centering [US], centreing [Brit, Cdn], centring [Brit, Cdn]

Derived forms: focal points

Type of: absorption, concentration, engrossment, immersion, point

Part of: focal infection

Encyclopedia: Focal point

• pureness
• purfle
• purfling
• purgation
• purgative
• purgatorial
• purgatory
• purge
• purger
• purging
• purging cassia
• puri
• purification
• purifier
• purify
• purifying
• Purim
• purine
• Purinethol
• purism
• purist
• puritan
• puritanic
• puritanical
• puritanically