| English | Irish |
| IEEE 802.1X security standard | caighdeán slándála IEEE 802.1x (An Institute of Electrical and Electronics Engineers (IEEE) standard that defines port-based network access control which either allows or denies connection requests to IEEE 802.3 wired Ethernet networks or IEEE 802.11 wireless networks) |
| x-axis | x-ais (The horizontal reference line on a grid, chart, or graph that has horizontal and vertical dimensions) |
| x axis | x-ais (The horizontal reference line on a grid, chart, or graph that has horizontal and vertical dimensions) |
| x-coordinate | x-chomhordanáid (The position of a point with reference to the x-axis, defined in conjunction with the y- and z-coordinates) |
