Word.ws English Dictionary

pent-

pent- prefix: used for the digit five to form systematic element names of elements whose existence has been predicted, and which have not yet been given a trivial name. Also the alternative form of penta- used before a vowel.

Prefix

pent-

  1. Used for the digit five to form systematic element names of elements whose existence has been predicted, and which have not yet been given a trivial name.
    • un- (“1”) + bi- (“2”) + pent- (“5”) + -ium (element suffix) → unbipentium (“element 125”)

Also used as

pent- is also the alternative form of penta- used before a vowel.

Questions about pent-

What does pent- mean?
Pent- means used for the digit five to form systematic element names of elements whose existence has been predicted, and which have not yet been given a trivial name.
What part of speech is pent-?
Pent- is a prefix.

Words near pent- in the dictionary

  1. pensées
  2. pent
  3. pent roof
  4. pent roofs
  5. pent up
  6. pent-
  7. pent-house
  8. pent-houses
  9. pent-up
  10. Penta
  11. penta-

Source and license

Adapted from Wiktionary: pent- (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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