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  2. Terms of orientation - Wikipedia

    en.wikipedia.org/wiki/Terms_of_orientation

    Terms describing the orientation of objects extend to the positional relationships of those objects relative to other objects, such as above, below, in front of, behind, and beside. The Cambridge Dictionary notes that "we usually use above, but not over, when there is no contact between the things referred to.

  3. Near and far field - Wikipedia

    en.wikipedia.org/wiki/Near_and_far_field

    The transition zone between these near and far field regions, extending over the distance from one to two wavelengths from the antenna, [citation needed] is the intermediate region in which both near-field and far-field effects are important. In this region, near-field behavior dies out and ceases to be important, leaving far-field effects as ...

  4. Glossary of landforms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_landforms

    Canyon – Deep chasm between cliffs; Cliff – Tall, near vertical rock face; Col – Lowest point on a mountain ridge between two peaks; Cuesta – Hill or ridge with a gentle slope on one side and a steep slope on the other; Dale – Low area between hills, often with a river running through it

  5. Near side of the Moon - Wikipedia

    en.wikipedia.org/wiki/Near_side_of_the_Moon

    Only 1% of the surface of the far side is covered by maria, [1] compared to 31.2% on the near side. According to research analyzed by NASA's Gravity Recovery and Interior Laboratory (GRAIL) mission, the reason for the difference is because the Moon's crust is thinner on the near side compared to the far side. [2]

  6. English prepositions - Wikipedia

    en.wikipedia.org/wiki/English_prepositions

    The be- prefix originally meant "about" but, in prepositions, came to mean something closer to "at" or "near". For example, one sense of the preposition before means "at or near the front". Though the be- prefix is still productive in forming words of certain parts of speech, it is no longer used to form new prepositions.

  7. Sidewalk - Wikipedia

    en.wikipedia.org/wiki/Sidewalk

    In the United States, the term sidewalk is used for the pedestrian path beside a road. " Shared use paths " or "multi-use paths" are available for use by both pedestrians and bicyclists. [ 8 ] " Walkway " is a more comprehensive term that includes stairs, ramps, passageways, and related structures that facilitate the use of a path as well as ...

  8. Far side of the Moon - Wikipedia

    en.wikipedia.org/wiki/Far_side_of_the_moon

    Only 1% of the surface of the far side is covered by maria, [14] compared to 31.2% on the near side. One commonly accepted explanation for this difference is related to a higher concentration of heat-producing elements on the near-side hemisphere, as has been demonstrated by geochemical maps obtained from the Lunar Prospector gamma-ray ...

  9. Frontage road - Wikipedia

    en.wikipedia.org/wiki/Frontage_road

    The difference is that typically a frontage road will follow along the side of a highway, whereas a frontage lane is a short connection between two different roads. Frontage lanes, closely related to a frontage road, are common in metropolitan areas and in small rural towns.