EN English dictionary from x-15 to x-moto
- X-15
- x-acto knife
- X-amplifier
- x-axes
- X-axis
- X-band
- X-bar theory
- x-bit
- X-break
- X-cell
- X-cells
- X-chromosome
- X-COM series
- x-contact
- X-convention
- X-coordinate
- x-coordinates
- x-cross member
- X-crossing
- x-datum line
- X-Day
- x-decoder
- X-efficiency
- X-Factor
- x-fay
- x-flash
- x-frame
- x-hair
- x-height
- X-inactivation
- X-inefficiency
- x-irradiate
- X-irradiation
- X-knife radiosurgery
- x-line
- X-linked
- X-linked agammaglobulinemia
- X-linked bulbo-spinal atrophy
- X-linked dominant
- X-linked spinal muscular atrophy type 1 , SMAX1
- X-Mansion
- X-mas
- X-mas parties
- X-mas party
- X-mas star
- X-Men
- X-Men: Days of Future Past
- X-Men: First Class 2
- X-Men: The Last Stand
- X-Moto