photic /fōˈtik/

1. Of light
2. Light-giving
3. Sensitive to light
4. Accessible to light (as eg the uppermost layer of sea)

phōtˈics singular noun

Optics

• zero
• zero-base budgeting
• zero-based budgeting
• zero-coupon bond
• zero-coupon bonds
• zero-dividend share
• zeroed
• zero-emission vehicle
• zero-emission vehicles
• zero fuel weight
• zero-grazing
• zero hour
• zero-hour contract
• zero hours
• zero-hours contract
• zero in
• zeroing
• zero in on
• zero option
• zero options
• zero-point energy
• zero-power reactor
• zero-power reactors
• zero-rate
• zero-rated