Word.ws English Dictionary

Sigillaroid

Sigillaroid adjective: of, pertaining to, or having characteristics of the genus Sigillaria of extinct trees.

Adjective

Sigillaroid (not comparable)

  1. Of, pertaining to, or having characteristics of the genus Sigillaria of extinct trees.
    • On microscopic examination, this mineral charcoal displays elongated wood-cells, some of them with the pores or discs in several rows, as in many Sigillaroid trees.1860, J. W. Dawson, On a Terrestrial Mollusk, a Chilognathous Myriapod, and fome New Species of Reptiles, from the Coal-Formation of Nova Scotia: Proceedings of the Geographical Society: The...
    • It is, however, possible that this older forest, represented by coaly stumps, may have consisted of Sigillaroid trees.1868, John William Dawson, Acadian Geology, page 191
    Synonyms:
    Sigillarian

Examples of Sigillaroid in a sentence

  • In the latter plant, now well known to be a Sigillaroid root, we find no inner or medullary cylinder of vessels.1873, Philosophical Transactions of the Royal Society of London, volume 162, page 227:
  • Further, in the underclays it is quite a common thing to find a mass of clay literally crammed with ribbon-shaped markings of the roots of Sigillaroid plants.1907, Gas Journal, volumes 97-98, page 345:

Synonyms of Sigillaroid

Forms of Sigillaroid

alternative formsigillaroid
alternative formSigillarioid
alternative formsigillarioid

Origin of Sigillaroid

From Sigillaria + -oid.

Questions about Sigillaroid

What does Sigillaroid mean?
Sigillaroid means of, pertaining to, or having characteristics of the genus Sigillaria of extinct trees.
How do you use Sigillaroid in a sentence?
In the latter plant, now well known to be a Sigillaroid root, we find no inner or medullary cylinder of vessels.
What part of speech is Sigillaroid?
Sigillaroid is an adjective.

Words near Sigillaroid in the dictionary

  1. sigillarians
  2. sigillarias
  3. sigillarid
  4. sigillarids
  5. Sigillarioid
  6. Sigillaroid
  7. sigillary
  8. sigillate
  9. sigillated
  10. sigillation
  11. sigillations

Source and license

Adapted from Wiktionary: Sigillaroid (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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