A fault line expands horizontally, reaching out across to the jutting cliffs which flank the grand slope.
Since the area could not expand horizontally, the Jews built vertical additions to their houses, which blocked the sun from reaching the already dank and narrow streets.
The town has been expanding horizontally mostly adjacent to the main roads.
Each panel expands horizontally, drawer-like, to reveal more details when clicked.
The heat of flight would have caused a smooth skin to split or curl, but the corrugated skin could expand vertically and horizontally.
Expanding horizontally was out of the question, particularly if it involved felling trees.
Canna rhizomes expand horizontally with near-obscene enthusiasm, so no matter which way you winter yours it will need dividing in spring.
The high ceilings were designed to allow explosions to rise high before hitting the ceiling and being forced to expand horizontally.
The stolon is commonly found in bread molds, and are seen as horizontally expanding across the mold.
This resulted in the city expanding horizontally, unlike other metropolitan cities where vertical growth is prominent.