| 释义 |
sigmoidal, a.|sɪgˈmɔɪdəl|
[See prec. and -al1.]
= sigmoid a.
1666J. Smith Solomon's Portrait. Old Age 233 The sigmoidal Portals hindering its return, it [the blood] must pass through the Streiner of the Lungs. 1753Chambers's Cycl. Suppl. s.v. Sigmoides, The semicircular cavity of the cubit..is sometimes also called the sigmoidal-cavity. 1826Kirby & Sp. Entomol. IV. xxxviii. 55 The pupa..has likewise a pair of long sigmoidal ones [respiratory organs] on the back of the trunk. 1833–4Encycl. Metrop. (1845) VI. 598/2 The beds of coal and accompanying strata are bent into a sigmoidal flexure. 1879Rutley Study of Rocks xi. 187 At times they have a somewhat sigmoidal flexure.
Hence sigˈmoidally adv., in a sigmoidal manner.
1854Orr's Circ. Sci., Org. Nat. I. 218 The femur..is sigmoidally bent. 1886Geol. Mag. (N.S.) III. 150 The sigmoidally curved folds of the ganoine. |