Longueur

[lawng-gur, long-; French lawn-gœr] /lɔŋˈgɜr, lɒŋ-; French lɔ̃ˈgœr/

noun, plural longueurs
[lawng-gurz, long-; French lawn-gœr] /lɔŋˈgɜrz, lɒŋ-; French lɔ̃ˈgœr/ (Show IPA)
1.
a long and boring passage in a literary work, drama, musical composition, or the like:
The longueurs in this book make it almost unreadable.
/French lɔ̃ɡœr/
noun
1.
a period of boredom or dullness

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Long-waisted
[lawng-wey-stid, long-] /ˈlɔŋˈweɪ stɪd, ˈlɒŋ-/ adjective 1. of more than average length between the shoulders and waistline; having a low waistline.

Longwall
[lawng-wawl, long-] /ˈlɔŋˌwɔl, ˈlɒŋ-/ adjective, Mining. 1. noting or pertaining to a means of extracting coal or other minerals in an underground mine from a continuous face, the roof before the face being supported at intervals by temporary or movable artificial supports. Compare . noun 2. the continuous face so worked.
Long-wave
noun 1. Electricity. an electromagnetic wave over 60 meters in length. 2. . noun 1.