PZT(photographic zenith tube)

Related English words

• Q and A(Question and Answer)
• Q factor
• Q,q
• Q.C,(Queen's Counsel)
• q.t.(on the q.t.)
• q.v.(quod vide)
• qa(Qatar)
• QA(Quality Assessment)
• qaid
• QAM(quadrature modulation)
• qanat
• QBO(quasi biennial oscillation)