Word.ws English Dictionary

tropylium

tropylium noun: the delocalized carbenium ion cycloheptatrienylium, C₇H₇⁺, derived from cycloheptatriene, or any of its derivatives.

Noun

tropylium (usually uncountable, plural tropyliums)

  1. (usually) The delocalized carbenium ion cycloheptatrienylium, C₇H₇⁺, derived from cycloheptatriene, or any of its derivatives.

Forms of tropylium

pluraltropyliums

Origin of tropylium

From tropine + -yl + -ium.

Questions about tropylium

What does tropylium mean?
Tropylium means the delocalized carbenium ion cycloheptatrienylium, C₇H₇⁺, derived from cycloheptatriene, or any of its derivatives.
What part of speech is tropylium?
Tropylium is a noun.
What is the plural of tropylium?
The plural of tropylium is tropyliums.

Words near tropylium in the dictionary

  1. trops.
  2. troptometer
  3. troptometers
  4. tropyl
  5. tropylidene
  6. tropylium
  7. tropyliums
  8. tropæa
  9. Tropæan
  10. tropæolin
  11. Tropæolum

Source and license

Adapted from Wiktionary: tropylium (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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