| 单词 |
lightstick |
| 释义 |
lightstick, n.
Brit. |ˈlʌɪtstɪk|, U.S. |ˈlaɪtˌstɪk|
[‹ light n.1 + stick n.1]
A flexible tube containing two solutions which emit light as the result of a chemical reaction when they are mixed (by bending the tube and breaking a compartment containing one of the solutions).
The light is produced by chemoluminescence of a fluorescent dye, activated typically by the reaction of hydrogen peroxide and a phenyl oxalate ester.
1971N.Y. Times 7 Mar. c17/3 The..light sticks contain two liquids, separated by a small free floating glass vial... To activate the chemical light one..bends the cylinder slightly until the glass vial..breaks. 1990A. Beevor Inside Brit. Army (1991) xxvi. 423 The military police task was to mark the route through the minefield with chemical lightsticks. 2002Guardian 11 Jan. (Friday Rev. section) 12/1 The crowd welcome every track like an old friend, blowing their whistles and waving their lightsticks as if the last 10 years of dance music had never happened. |
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