spacer

名词 n.
中文释义
美 /ˈspeɪsɚ/

英文释义

名词 n.
  1. An object inserted to hold a space open in a row of items, e.g. beads or printed type.
    — The vertical wall was poured in two lifts, using two pairs of steel shutters which were bolted tightly onto 9-in. long wooden spacers.
  2. A person who works or lives in space.
    — It was the futile throwing back in the face of the Spacers their most keenly felt insult: their insistence on considering the natives of Earth as disgustingly diseased.
  3. A bushing.
  4. A forgetful person; one who spaces out. slang
  5. A type of add-on device used by an asthmatic person to increase the effectiveness of a metered-dose inhaler.
  6. An instrument for reversing a telegraphic current, especially in a marine cable, to increase the speed of transmission. historical

词形变化

spacers plural

词汇关系

衍生词
flooring spacer geospacer installation spacer intergenic spacer multispacer protospacer spacer DNA spacer oligonucleotide typing T-spacer

词源

Etymology tree
Latin spatiumbor.
Old French espace
Anglo-Norman spacebor.
Middle English space
English space
English -er
English spacer
From space + -er.
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