Fusion Nuclear -- See Nuclear fusion Here are entered works on the nuclear reaction between two light nuclei to form a heavier nucleus with release of binding energy. Works on the transition from a frozen to an unfrozen state by warming are entered under Thawing. Works on the change of the state of a substance from the solid phase to the liquid phase are entered under Fusion.
Futuh -- See Islamic Empire Here are entered works dealing with the Middle East alone, or the Middle East, North Africa and Islamic Spain as a whole, during the period 622-1517, i.e., from the rise and expansion of Islam to the creation of the Ottoman Empire.
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Futuna Language -- See Also Polynesian languages Here are entered works on the languages spoken chiefly in the following islands: Fakaofu, Samoa, Tonga, Rarotonga, Mangareva, Paumotu, Tahiti, Hawaii, Marquesas, and by the Maori of New Zealand.
