| Subject | English | Thesaurus |
| abbr., microel. | high contrast x ray mask | high contrast xray mask (ssn) |
| abbr., microel. | high contrast x ray mask | high contrast x-ray mask (ssn) |
| abbr., microel. | high contrast x ray photo mask | high contrast x ray photomask (ssn) |
| abbr., microel. | high contrast x ray photo mask | high contrast x-ray photo-mask (ssn) |
| abbr., microel. | high contrast x ray photo mask | high contrast xray photo mask (ssn) |
| abbr., microel. | high contrast x ray photo mask | high contrast xray photomask (ssn) |
| abbr., microel. | high contrast x ray photo mask | high contrast xray photo-mask (ssn) |
| abbr., microel. | high contrast x ray photo mask | high contrast x-ray photomask (ssn) |
| abbr., microel. | high contrast x ray photo mask | high contrast x-ray photo mask (ssn) |
| abbr., microel. | high contrast x ray photo mask | high contrast x ray photo-mask (ssn) |
| abbr., microel. | high contrast x ray photo-mask | high contrast x ray photomask (ssn) |
| abbr., microel. | high contrast x ray photo-mask | high contrast x-ray photo-mask (ssn) |
| abbr., microel. | high contrast x ray photo-mask | high contrast x-ray photo mask (ssn) |
| abbr., microel. | high contrast x ray photo-mask | high contrast x-ray photomask (ssn) |
| abbr., microel. | high contrast x ray photo-mask | high contrast xray photo mask (ssn) |
| abbr., microel. | high contrast x ray photo-mask | high contrast xray photo-mask (ssn) |
| abbr., microel. | high contrast x ray photo-mask | high contrast xray photomask (ssn) |
| abbr., microel. | high contrast x ray photo-mask | high contrast x ray photo mask (ssn) |
| abbr., microel. | high contrast x-ray mask | high contrast xray mask (ssn) |
| abbr., microel. | high contrast x-ray mask | high contrast x ray mask (ssn) |
| abbr., microel. | high contrast x-ray photo mask | high contrast x ray photomask (ssn) |
| abbr., microel. | high contrast x-ray photo mask | high contrast x-ray photo-mask (ssn) |
| abbr., microel. | high contrast x-ray photo mask | high contrast xray photo mask (ssn) |
| abbr., microel. | high contrast x-ray photo mask | high contrast xray photomask (ssn) |
| abbr., microel. | high contrast x-ray photo mask | high contrast xray photo-mask (ssn) |
| abbr., microel. | high contrast x-ray photo mask | high contrast x-ray photomask (ssn) |
| abbr., microel. | high contrast x-ray photo mask | high contrast x ray photo-mask (ssn) |
| abbr., microel. | high contrast x-ray photo mask | high contrast x ray photo mask (ssn) |
| abbr., microel. | high contrast x-ray photo-mask | high contrast x-ray photo mask (ssn) |
| abbr., microel. | high contrast x-ray photo-mask | high contrast x ray photomask (ssn) |
| abbr., microel. | high contrast x-ray photo-mask | high contrast xray photo mask (ssn) |
| abbr., microel. | high contrast x-ray photo-mask | high contrast xray photomask (ssn) |
| abbr., microel. | high contrast x-ray photo-mask | high contrast xray photo-mask (ssn) |
| abbr., microel. | high contrast x-ray photo-mask | high contrast x-ray photomask (ssn) |
| abbr., microel. | high contrast x-ray photo-mask | high contrast x ray photo-mask (ssn) |
| abbr., microel. | high contrast x-ray photo-mask | high contrast x ray photo mask (ssn) |
| dentist. | panoramic X-ray | panoramic radiography (Анастасия Беляева) |
| abbr., auto. | POS-X | position-X axis |
| abbr., energ.ind. | revenue cap regulation RPI-X | RPI-X (MichaelBurov) |
| abbr., IT | X/Open Backup Services API | X/BSA |
