13-letter words starting with octa
- octagon house — a type of American house, c. 1850, having an octagonal perimeter to reduce exterior wall area.
- octagon scale — a scale used in laying out octagonal figures of various sizes.
- octane number — (of gasoline) a designation of antiknock quality, numerically equal to the percentage of isooctane by volume in a mixture of isooctane and normal heptane that matches the given gasoline in antiknock characteristics.
- octane-rating — (of gasoline) a designation of antiknock quality, numerically equal to the percentage of isooctane by volume in a mixture of isooctane and normal heptane that matches the given gasoline in antiknock characteristics.
- octanoic acid — caprylic acid.
On this page, we collect all 13-letter words starting with OCTA. It’s easy to find right word with a certain length. It is the easiest way to find 13-letter word that beginning with OCTA to use in Scrabble or Crossword puzzles.