- objurgatory
- oblanceolate
- oblast
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- oblate ellipsoid
- oblate nucleus
- oblate spheroid
- oblateness
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- oblatory
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- obligated capital
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- obliquation
- oblique
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- oblique angle
- oblique arch
- oblique asteroid
- oblique bedding
- oblique bending
- oblique bridge
- oblique compression
- oblique cone
- oblique coordinates
- oblique crack
- oblique crank
- oblique cutting
- oblique cylinder
- oblique dovetail
- oblique drawing
- oblique fault
- oblique fold
- oblique grain
- oblique grinding
- oblique helicoid
- oblique illumination
- oblique impact
- oblique incidence
- oblique joint
- oblique junction
- oblique lamination
- oblique lighting
- oblique line
- oblique load
- oblique notching
- oblique parallelepiped
- oblique plane
- oblique prism
- oblique probe
- oblique projection
- oblique pyramid
- oblique reflection
- oblique ridge
- oblique section
- oblique serif
- oblique setting
- oblique slope
- oblique stress
- oblique stroke
- oblique system
- oblique tenon
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- obliquely
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- obliterate
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