[twen-tee-fawr sev-uh n, ‐fohr‐, twuhn-tee‐] /ˈtwɛn tiˌfɔr ˈsɛv ən, ‐ˌfoʊr‐, ˈtwʌn ti‐/
they’re together 24/7.
the manufacturer offers 24/7 customer support.
also, 24‐7, 24×7, twenty-four seven.
twenty-four hours a day, seven days a week: “this convenience store is open 24/7.” the term, which also appears as “24-7,” can be used figuratively to mean “with great time and effort”: “we worked on the design 24/7 in order to complete the work on time.” this phrase was coined in the late twentieth century.
25-hydroxycholecalciferol 25-hy·drox·y·cho·le·cal·cif·er·ol (-hī-drŏk’sē-kō’lĭ-kāl-sĭf’ə-rôl’, -rōl’) n. a metabolite of vitamin d3 that is produced primarily in the liver and is the circulating form of vitamin d in the body. it promotes intestinal absorption of calcium and is used in the treatment of rickets.
- 25th amendment
noun an amendment to the u.s. const-tution, ratified in 1967, establishing the succession to the presidency in the event of the president’s death, resignation, or incapacity.
- 26th amendment
noun an amendment to the u.s. const-tution, ratified in 1971, lowering the voting age to 18.
binary synchronous transmission
- 27th amendment
noun an amendment to the u.s. const-tution, ratified in 1992, ensuring that no laws relating to congressional salaries take effect until after the next congressional election.