sizer

n. 筛分器 [化] 填料器; 上胶器

词形变化

sizers 复数 sizers

释义与例句

n.
  1. 1.

    An instrument or contrivance to size articles, or to determine their size by a standard, or to separate and distribute them according to size.

  2. 2.

    An instrument or tool for bringing anything to an exact size.

  3. 3.

    An object used at the airport to test to see if a carry on or personal item is the correct size allowed by the airline.

  4. 4.

    Alternative form of sizar (“undergraduate who received an allowance”).

词源

From size + -er.

来源：wiktionary