13-letter words containing x, u, n, i
- saint-exupery — Antoine de [ahn-twan duh] /ɑ̃ˈtwan də/ (Show IPA), 1900–45, French author and aviator.
- sex education — Sex education is education in schools on the subject of sexual activity and sexual relationships.
- sexualization — to render sexual; endow with sexual characteristics.
- soixante-neuf — sixty-nine (def 4).
- subject index — alphabetical contents list
- tax deduction — an expenditure that is deducted from taxable income.
- texture paint — a finish paint having an insoluble additive, as sand, for giving a slightly rough textural effect.
- unexceptional — not exceptional; not unusual or extraordinary.
- unexclusively — in an unexclusive manner
- unexemplified — not exemplified; not clarified by example
- unexperienced — wise or skillful in a particular field through experience: an experienced teacher.
- unexplainable — to make plain or clear; render understandable or intelligible: to explain an obscure point. Synonyms: explicate. Antonyms: confuse.
- unexplainably — to make plain or clear; render understandable or intelligible: to explain an obscure point. Synonyms: explicate. Antonyms: confuse.
- unix man page — Unix manual page
- unix system v — System V
- uranium oxide — any of the compounds of uranium and oxygen, as UO 2 , UO 3 , U 4 O 9 , or U 3 O 8 .