micrometer

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++mi·crom·e·ter /maɪˈkrɒmɪtə $ -ˈkrɑːmɪtər/ noun [countable]  an instrument for measuring very small distances 测微器，千分尺

Examples from the Corpus

micrometer• And you had to sign a chit to use things like the height gauge, the big micrometers, calipers.• Single-mode fibres also operate at 1.3 micrometres, but they have cores only a few micrometers across.• The heights of accumulation at known time intervals are measured by optical micrometer and the particle sizes calculated from these figures.• She appeared to be searching for dust, fussing over square micrometers where maybe some of it had landed.• They have a diameter of about three micrometers.

mi·crom·e·ter nounChineseSyllable  

very distances measuring instrument Corpus an small for

micrometer

I

mi‧crom‧e‧ter /maɪˈkrɒmətə, maɪˈkrɒmɪtə $ -ˈkrɑːmətər/ noun [countable]
an instrument for measuring very small distances

II

mi‧crom‧e‧tre British English, micrometer American English /ˈmaɪkrəʊˌmiːtə $ -kroʊˌmiːtər/ (also mi‧cron /ˈmaɪkrɒn $ -krɑːn/) noun [countable]a unit for measuring length. There are one million micrometres in one metre.

micro·meterBrE /maɪˈkrɒmɪtə(r)/ 🔊NAmE /maɪˈkrɑːmɪtər/ 🔊 noun(especially US) = micrometre a device used for measuring very small distances or spaces, using a screw with a very fine thread 螺旋测微器；千分尺