To incurvate is to curve inward or cause something to bend inward.
The word appears in scientific and technical contexts—biology, optics, architecture—where precise description of curvature matters: The petals incurvate toward the center of the flower.
Incurvate also serves as an adjective meaning curved inward.
The more common forms are incurved and incurvation.
1. bending — flex, Tense a muscle; bend (Curve or flex); bow (Respectful forward inclination); crook (Bent implement or criminal); deflect · hook · arc · curl · coil · twist · warp · inflect · reflex · buckle
2. inward — introvert, One who turns inward; involute (Curve traced while unwinding); infold (Wrap or enclose within); enfold (Wrap something completely); enroll
3. concavity — dish, Food container or recipe; hollow (Empty within); scoop (First-reported story); indent (Text set inward); depress · sink · cup · crater · basin · dimple · recess · cavity · excavate · dip
4. arched — arch, Curved spanning structure; vault (Secure storage chamber); dome (Rounded vault forming roof); crescent (Curved sickle-like arc); cambered · arcuate · lunate · sigmoid · hooked · aquiline
Opposites
CURVATURE DIRECTIONincurvate ≠ outcurve Pitch breaking outward; convex · recurve · evert
SHAPE STATEincurvate ≠ straighten Make linear or orderly; straight · flatten · unbend · linear · flat
Family
curve, curved, recurring, curvature, recurred, curvaceous, recursive, curvilinear, recursion
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