Word.ws English Dictionary

castoreum

castoreum noun: the bitter exudate of the castor sacs of mature beavers, used as a scent mark, and as a tincture in some perfumes.

Noun

castoreum (countable and uncountable, plural castoreums or castorea)

  1. The bitter exudate of the castor sacs of mature beavers, used as a scent mark, and as a tincture in some perfumes.
    • One of the substances tried was castoreum.[…]If I were to judge from my own experience, I would say castoreum has very little therapeutic power, for I have not seen much benefit from its employment in those cases to which this remedy is said to be adapted.1835 November 28, Jon Pereira, “Lectures on Materia Medica, or Pharmacology, and General Therapeutics: Lecture IX: On Castoreum”, in London Medical Gazette, volume 17, page 299
    • While the role of castoreum as a means of territorial advertisement has been extensively investigated and supported, the possibility of coding for sex information has not yet been excluded.1999, L. Sun, D. Müller-Schwarze, “Chemical Signals in the Beaver: One Species, Two Secretions, Many Functions?”, in Robert E. Johnston, Dietland Müller-Schwarze, Peter W. Sorenson, editors, Advances...
    Synonyms:
    castor
  2. (archaic) A hat made from beaver fur.
    Synonyms:
    beaver, castor

castoreum meaning in Tamil, Arabic and Persian

castoreum in Tamil

நீர்நாய் வகையின் பிட்ட அடிச்சுரப்பி

castoreum in Arabic

castor sac exudate
جُنْدُبَادَسْتَر jundubādastar, خُصْيْة الْبَحْر ḵuṣya al-baḥr

castoreum in Persian

castor sac exudate
گندبیدستر gonde-bidastar

Examples of castoreum in a sentence

  • Synthetic castoreums are now available, and can be as good as the natural fragrant^([sic]).2004, Christian V. Stevens, Roland Verhé, Renewable Bioresources: Scope and Modification for Non-Food Applications, page 257:
  • Real oud is complex material, with honey, tobacco, leaf, minty-fresh and castoreum animalic notes all mixed together.2010, Luca Turin, Tania Sanchez, “M7”, in Perfumes: The A–Z Guide, Profile Books, →ISBN, page 233:

Synonyms of castoreum

Forms of castoreum

pluralcastoreums
pluralcastorea
alternative formcastorium

Origin of castoreum

From Latin castoreum, from Ancient Greek καστόριον (kastórion).

Questions about castoreum

What does castoreum mean?
Castoreum means the bitter exudate of the castor sacs of mature beavers, used as a scent mark, and as a tincture in some perfumes.
What is castoreum in Tamil?
Castoreum in Tamil is நீர்நாய் வகையின் பிட்ட அடிச்சுரப்பி. See Castoreum meaning in Tamil.
How do you use castoreum in a sentence?
Synthetic castoreums are now available, and can be as good as the natural fragrant^([sic]).
What part of speech is castoreum?
Castoreum is a noun.
What is the plural of castoreum?
The plural of castoreum is castoreums.

Words near castoreum in the dictionary

  1. castored
  2. Castorena
  3. Castorenas
  4. castorette
  5. castorettes
  6. castoreum
  7. castoreums
  8. castorid
  9. castorids
  10. castorimorph
  11. castorimorphs

Source and license

Adapted from Wiktionary: castoreum (page history and authors); castoreum (Tamil Wiktionary) (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: “castoreum.” Word.ws, https://word.ws/castoreum. Based on Wiktionary, CC BY-SA 4.0.