Word.ws English Dictionary

Class M

Class M adjective: of a planet: having characteristics similar to that of Earth.

Adjective (1)

Class M (not comparable)

  1. Of a planet: having characteristics similar to that of Earth.

Adjective (2) capitalized: class M

class M (not comparable)

  1. Alternative letter-case form of Class M.

Forms of Class M

alternative formclass M

Origin of Class M

Originally from the TV series Star Trek.

Questions about Class M

What does Class M mean?
Class M means of a planet: having characteristics similar to that of Earth.
What part of speech is Class M?
Class M is an adjective.

Words near Class M in the dictionary

  1. class envy
  2. class invariant
  3. class invariants
  4. class list
  5. class lists
  6. Class M
  7. class reunion
  8. class reunions
  9. class ring
  10. class rings
  11. class secretaries

Source and license

Adapted from Wiktionary: Class M (page history and authors); class M (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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Cite this entry: “Class M.” Word.ws, https://word.ws/class_m. Based on Wiktionary, CC BY-SA 4.0.