| xpm | http://edamontology.org/format_3599 | xpm | |
| Crystallography | http://edamontology.org/topic_2828 | X-ray diffraction | |
| X-ray microscopy | http://edamontology.org/topic_2828 | X-ray diffraction | |
| X-ray crystallography | http://edamontology.org/topic_2828 | X-ray diffraction | |
| X-ray diffraction | http://edamontology.org/topic_2828 | X-ray diffraction | |
| XSLT stylesheet | http://edamontology.org/data_2252 | XSLT stylesheet | |
| X!Tandem XML | http://edamontology.org/format_3711 | X!Tandem XML | |
| YAML | http://edamontology.org/format_3750 | YAML | |
| YAML Ain't Markup Language | http://edamontology.org/format_3750 | YAML | |
| Yeast | http://edamontology.org/topic_2817 | Yeast | |
| ZFIN gene report format | http://edamontology.org/format_1618 | ZFIN gene report format | |
| Zinc finger prediction | http://edamontology.org/operation_0333 | Zinc finger prediction | |
| ZTR | http://edamontology.org/format_3018 | ZTR | |
| Z-value | http://edamontology.org/data_1668 | Z-value | |
