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umbonate

American  
[uhm-buh-nit, -nayt] / ˈʌm bə nɪt, -ˌneɪt /

adjective

  1. having an umbo or projecting boss.

  2. shaped like an umbo; having a rounded convex form.

    an umbonate fungus.


Other Word Forms


Etymology

Origin of umbonate

1820–30; < Latin umbōn- (stem of umbō; see umbo) + -ate 1


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The pileus fleshy, thin, from one to three inches broad, convex, rather broadly umbonate, smooth, moist, with variable color, usually pale, nearly white at first, later much darker, sometimes slightly wavy.

From The Mushroom, Edible and Otherwise Its Habitat and its Time of Growth by Miron Elisha Hard

This species differs from C. atrata in having an umbonate pileus.

From The Mushroom, Edible and Otherwise Its Habitat and its Time of Growth by Miron Elisha Hard

The pileus is at first convex and umbonate and as the plant advances in age the margin becomes elevated until the plant becomes funnel-shaped.

From The Mushroom, Edible and Otherwise Its Habitat and its Time of Growth by Miron Elisha Hard

P. convex then plane, umbonate, fuscescent, hoary-rusty when dry; g. crowded, obscure rusty; s. filiform, silky fibrillose, pallid. abstrusa, Fr.

From European Fungus Flora: Agaricaceae by George Massee

P. 2-3 cm. expanded, umbonate, whitish or tinged fleshcolour, mealy then naked; g. reaching the stem; s. 3-4 cm. whitish, mealy, ring small, superior; sp.

From European Fungus Flora: Agaricaceae by George Massee

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