an·ti·cli·nal /ˌæntɪˈklaɪnḷ/
(a.)背斜的
An·ti·cli·nal a.
1. Inclining or dipping in opposite directions. See Synclinal.
Anticlinal line, Anticlinal axis Geol., a line from which strata dip in opposite directions, as from the ridge of a roof.
Anticlinal vertebra Anat., one of the dorsal vertebræ, which in many animals has an upright spine toward which the spines of the neighboring vertebræ are inclined.
An·ti·cli·nal, n. Geol. The crest or line in which strata slope or dip in opposite directions.
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anticlinal
adj : sloping downward away from a common crest [ant: synclinal]