Word: trickyness
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Tricky Boules. Like natural rubies and sapphires,* synthetics are simply fused aluminum oxide. A tiny trace of chromium oxide makes jewels a ruby-red color, titanium oxide makes them sapphire-blue. Color is unimportant in industrial jewels except as it makes them easier to see, cut, assemble.
*Spot welding of aluminum is possible but tricky because the welded metal becomes brittle.
Tricky Decoration. The principles of camouflage have often been traced, by theorists, back to protective coloration by which nature conceals animals. But much of today's camouflage finds a more apt ancestry in the Renaissance art of trompe l'oeil ("fool the eye") with which tricky 16th-Century...
Last fortnight, the luck ran out. During the filming of a shark-octopus battle, Jacare was spilled from the tricky jangada. Though he managed to swim away, he was caught in a treacherous current and, like his fisher-father before him, swallowed by the sea.
For the third time in nearly half a century, the Annual Regatta of the Intercollegiate Rowing Association will not be held on the Hudson off Poughkeepsie. Reasons: 1) the shortened college year makes it advisable to hold the races before June 15, until which time the river's tidal...