From bees' honeycombs to the Giant's Causeway, hexagonal patterns are prevalent in nature due to their efficiency. In a hexagonal grid each line is as short as it can possibly be if a large area is to be filled with the fewest hexagons.
The elegant stone building has an unusual hexagonal chimney. Larger screws tend to have square or hexagonal bolt heads. The hexagonal shaped pencil was developed as an alternative to the round pencil so it would not roll off the desk.
1. Having six sides. 2. Relating to a crystal having three axes of equal length intersecting at angles of 60° in one plane, and a fourth axis of a different length that is perpendicular to this plane. The mineral calcite has hexagonal crystals. See more at crystal.
Adjective hexagonal (not comparable) (geometry) Having six edges, or having a cross-section in the form of a hexagon. Nuts in engineering are generally hexagonal.
Definition of hexagonal adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
Depending on the weather conditions, snowflakes often begin as small regular hexagonal plates, formed by water molecules as they freeze. Because each of the hexagon’s internal angles is 120 degrees, such a plate has an unusually stable structure.