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Mm vs Um - What's the difference?

mm | um |

As an abbreviation mm

is (chemistry) millimole, millimoles.

As a preposition um is

around, about (sometimes in combination with bi).

As an adverb um is

around, about.

As a conjunction um is

in order to.

mm

Translingual

Alternative forms

* (roman numeral) MM, MDD, mdd

Symbol

(head)
  • Symbol

    (head)
  • A Roman numeral representing two thousand ().
  • See also

    * Previous: mcmxcix (one thousand nine hundred and ninety-nine, ) * Next: mmi (two thousand and one, ) ----

    um

    English

    Etymology 1

    From (etyl) um, from (etyl) um, . More at (l).

    Alternative forms

    * (l), (l)

    Preposition

    (English prepositions)
  • Etymology 2

    (en)

    Alternative forms

    * (l)

    Interjection

    (en interjection)
  • (chiefly, American) Expression of confusion or space filler in conversation. See uh.
  • Um , I don’t know.
    Let’s see... um ... how about this?
  • (chiefly, American)
  • *1963 , (Kurt Vonnegut), Cat's Cradle , Dell Publishing Co., Inc., p. 65:
  • *:"About the same, wherever you go," he agreed.
  • *:"Um ," I said.
  • Verb

    (umm)
  • To make the um sound to express confusion or hesitancy.
  • Etymology 3

    A Latin-script rendering of .

    Noun

    (um)
  • Anagrams

    * English two-letter words ----