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View definitions for sigmoid

sigmoid

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Example Sentences

Valve lanceolate, sigmoid; axial area very narrow, central area small; stri punctate, in transverse and oblique lines.

Valve linear-lanceolate with produced rostrate apices, asymmetrical, sigmoid; pseudoraphe narrow; pseudo-nodule large.

Valve lanceolate, sigmoid; axial area very narrow, central area small; stri punctate, in transverse and longitudinal rows.

The raphe confined within a sigmoid keel or extension of the valve; the central and terminal nodules indistinct.

Valve linear, slightly sigmoid, tapering to the sub-capitate ends; keel puncta, 11 in 10 ; stri subtle.

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On this page you'll find 35 synonyms, antonyms, and words related to sigmoid, such as: arched, crooked, curvaceous, elliptical, rounded, and serpentine.

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

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