FISH v.
ad rails, etc.) by bolting a plank, timber, or plate to the beam, mast, or timbers, lengthwise on one or both sides. See Fish joint, under Fish, n. To fish the anchor. (Naut.) See under Anchor.
FLOSS n.
Untwisted filaments of silk, used in embroidering. Floss silk, silk that has been twisted, and which retains its loose and downy character. It is much used in embroidery. Called also floxed silk. -- Floss thread, a kind of soft flaxen yarn or thread, used for embroidery; -- called also linen floss, and floss yarn. McE…
FLUORESCEIN n.
A yellowish red, crystalline substance, C20H12O5, produced by heating together phthalic anhydride and resorcin; -- so called, from the very brilliant yellowish green fluorescence of its alkaline solutions. It has acid properties, and its salts of the alkalies are known to the trade under the name of uranin.…