\ ˈtwen-tē-ˈfȯr-ˈse-vən How to pronounce 24-7 (audio) , ˈtwən- \
variants: or 24/7

Definition of 24-7

 (Entry 1 of 3)

: for twenty-four hours seven days a week can now shop 24-7

2,4-D

noun (1)
\ ˌtü-ˌfȯr-ˈdē How to pronounce 2,4-D (audio) \

Definition of 2,4-D (Entry 2 of 3)

: a white crystalline irritant compound C8H6Cl2O3 used especially as a weed killer

2,4,5-T

noun (2)
\ ˌtü-ˌfȯr-ˌfīv-ˈtē How to pronounce 2,4,5-T (audio) \

Definition of 2,4,5-T (Entry 3 of 3)

: an irritant crystalline compound C8H5Cl3O3 used especially formerly chiefly as an herbicide and defoliant

First Known Use of 24-7

Adverb or adjective

1985, in the meaning defined above

Noun (1)

circa 1945, in the meaning defined above

Noun (2)

1946, in the meaning defined above

History and Etymology for 24-7

Noun (1)

di-

Noun (2)

tri-

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Time Traveler for 24-7

Time Traveler

The first known use of 24-7 was circa 1945

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Statistics for 24-7

Cite this Entry

“24-7.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/24. Accessed 14 December 2019.

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