The research team observed significant DNA damage following x-irradiation of the cell cultures.

The lab reported unexpected chemical changes after X irradiation of the polymer samples.

Many linguists now consider X′ theory a useful alternative to X-bar theory when analyzing phrase structure.

The skier-X launched off the start gate and battled through the pack to take first place.

Many policymakers are still unfamiliar with the concept of X-risk and its implications for long-term planning.

To preserve a gritty atmosphere, the director insisted on using practical F/X instead of CGI.

I love the X-trainer because it gives me a full-body cardio workout.

The technician warned that prolonged exposure to x-radiation could be harmful without proper shielding.

Many companies tailor their benefits to the values and expectations of the X Generation.

Historians often debate whether the label X generation accurately captures the attitudes of people born in the 1960s and 1970s.