aback /ə-bakˈ/

1. Backwards
2. Said of sails pressed backward against the mast by the wind (nautical)

• luminance signals
• luminant
• luminants
• luminaries
• luminarism
• luminarisms
• luminarist
• luminarists
• luminary
• lumination
• luminations
• lumine
• lumined
• lumines
• luminesce
• luminesced
• luminescence
• luminescences
• luminescent
• luminesces
• luminescing
• luminiferous
• lumining
• luminist
• luminists