English Dictionary

sigmoid

/ˈsɪɡ.mɔɪd/

adj

(archaic) Semi-circular, like the uncial or lunar sigma (similar to English C). / Curved in two directions, like the letter "S", or the Greek ς (sigma); having a serpentine shape.

The ancient amphitheater had a sigmoid shape.

意味（1）

(archaic) Semi-circular, like the uncial or lunar sigma (similar to English C).

意味（2）

Curved in two directions, like the letter "S", or the Greek ς (sigma); having a serpentine shape.

意味（3）

(mathematics) Exhibiting logistic growth; having a graph that accelerates until it reaches a carrying capacity.

意味（4）

(anatomy) Relating to the sigmoid colon.