ovoid

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ovoid

Botany (of a fruit or similar part) egg-shaped with the broader end at the base

Ovoid

 

(1) A large spherical phenocryst in magmatic rock resulting from the partial resorption of a previously formed phenocryst. Ovoids are a characteristic feature of the rapakivi granite in the vicinity of Vyborg.

(2) A spherical limestone grain having a radial structure. Certain varieties of ovoids are oolites. Ovoids form oolitic and ovoid limestones.

References in periodicals archive ?
DIAGNOSIS: Readily recognized by the ovoid body, conspicuous red-orange general coloration, scattered, very short vestiture on dorsum, and creamy yellow, almost immaculate antennae and legs (Fig.
DIAGNOSIS: Easily recognized by the small, ovoid body, carmine dorsum with the black maculae and stripes, scalelike setae on the head and pleura, and enlarged, lamellate antennal segment II.
An ovoid body rises from this base with continuous profile through the short neck to the rim, a form quite different from the bodies of two-handled jugs in the fourth century.
DIAGNOSIS: Recognized by the small, ovoid body, opaque or translucent hemerytra without conspicuous marking at the apices of corium, embolium and cuneus, relatively tumid metafemur that lacks spots, and structures of the genitalia; however, sometimes very difficult to distinguish from Campylomma or Decomia.
DIAGNOSIS: Easily recognized by the orange to red, small, ovoid body, usually wholly dark antennal segment II (pale with a dark basal ring in female), and contrasting pale apices of the corium and cuneus (Figs.