flashboard

名词 n.
中文释义

英文释义

名词 n.
  1. A board placed temporarily upon a dam, river, stream, etc. (typically within a permanent frame) to raise the water above its usual level. US
    — A form of cheap open weir which has been commonly constructed in the West is the open wooden frame and flashboard weir.
  2. A board that controls the flow of any material. broadly
    — There exists a trapezoidal groove in the bottom of each container and a flashboard fixed in feeding system which match the groove.
  3. A sheet of material that is subjected to an electric pulse or flashover in order to produce plasma.
    — The plasma produced by the flashboard was mostly C⁺ and C⁺⁺.
  4. Any automated display that shows temporary information.
    — Thus encroaching telephone wires, angrily projecting one's arm, an overhanging flashboard, or tree, leaning walls, and overhanging roof, projecting eaves and the shooting of guns have all been regarded as invasions of the superincumbent airspace — the exclusive realm of the landownder.
  5. Any automated display that shows temporary information.; An electronic display that shows the winning values in various gambling games such as keno or bingo.
    — The holder of a ticket that contains a match of all the numbers on any one of the Player's Cards to the numbers on the Flashboard card using the 48 Flashboard card numbers and the 49th and 50th Bonus Balls shall be entitled to a prize of $50.
  6. An acrylic board used to display children's work in a school.
  7. A board for displaying language material in the classroom, used like a flashcard but potentially holding more information.
    — Then he comes forward, takes the flashboard V, and stands in front of the class so that all may see it .
  8. A device used in the 1920s for teaching typing skills which provided feedback on which key was pressed by lighting up the corresponding value. historical
    — There is a regular typewriter keyboard which is in mechanical connection with a scientifically designed, step by step "flashboard." The machine is designed to develop accurate typists through the realization of visual images.

词形变化

flashboards plural flushboard alternative

词汇关系

衍生词
flashboarded
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