mezzo/ʹmetsoh/ noun (pl -os) (pl mezzos)

• optative
• optic
• optical
• optical activity
• optical art
• optical character reader
• optical character recognition
• optical fibre
• optical glass
• optical illusion
• optical isomer
• optic axis
• optician
• optics
• optima
• optimal
• optimise
• optimism
• optimistic
• optimize
• optimum
• option
• optional
• optometry
• opt out