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Meaning ofumin English

um

Definitions

Interjection
1. expression of hesitation; pause in conversation
  Synonyms:
  ah er uh hmm eh
  Antonyms:
  yes certainly definitely absolutely assuredly
2. alternative spelling of µm; metric unit
  The scientist measured the length in um.
  Synonyms:
  micrometer micron
Other
1. a unit of measurement (micrometer); variant symbol
  She said um several times during the presentation.
  Synonyms:
  micron micrometer
Noun
1. a filler word; indicating uncertainty
  The engineer used um to calculate the tiny distance.
  Synonyms:
  ah er uh hmm
  Antonyms:
  definitely certainly absolutely