Tra từ perpendicular - Từ điển WordNet v3.1

I - noun

1. a straight line at right angles to another line
• Hypernyms:
straight line
2. a Gothic style in 14th and 15th century England;
characterized by vertical lines and a four-centered (Tudor) arch and fan vaulting
• Syn:
perpendicular style, English-Gothic, English-Gothic architecture
• Hypernyms:
Gothic, Gothic architecture
• Hyponyms:
Tudor architecture
3. a cord from which a metal weight is suspended pointing directly to the earth's center of gravity;
used to determine the vertical from a given point
• Syn:
plumb line
• Hypernyms:
cord
• Hyponyms:
lead line, sounding line, plumb rule
• Part Meronyms:
plumb bob, plumb, plummet
4. an extremely steep face
• Hypernyms:
face

II - adjective

1. intersecting at or forming right angles
- the axes are perpendicular to each other
• Ant:
oblique, parallel
• Similar to:
normal, orthogonal, rectangular, right
• Derivationally related forms:
perpendicularity
2. at right angles to the plane of the horizon or a base line
- a vertical camera angle
- the monument consists of two vertical pillars supporting a horizontal slab
- measure the perpendicular height
• Syn:
vertical
• Ant:
inclined (for: vertical), horizontal (for: vertical)
• Similar to:
plumb, upended, upright, unsloped
• See Also:
steep, straight
• Derivationally related forms:
perpendicularity, vertical (for: vertical), verticalness (for: vertical), verticality (for: vertical)
• Attrubites:
orientation
3. extremely steep
- the great perpendicular face of the cliff
• Similar to:
steep