quarter-chord
quarterdeck
quarter-elliptic
quarter-hung
quarter-interval
quarternary
quarter-sawn
quarter-turn
quarter-twist
quarter-wave
  quartz
quartz-fibre
quarz-tube
quasi-active
quasi-analytic
quasi-arc
quasi-circular
quasi-degenerate
quasi-elastic
quasi-electrostatic
quasi-equilibrium

    quartz laser

    кварцевый лазер