a. and sb. Archit. [ad. L. eustȳl-os, a. Gr. εὔστῡλος with pillars at the best distances, f. εὐ- (see EU-) + στῦλος pillar: cf. F. eustyle.]
A. adj. Of a building, colonnade, etc.: Having the space between each successive pair of columns equal to two diameters of a column and a quarter or half diameter. B. sb. The distance itself.
[1563. Shute, Archit., F j a. Eustylos … the distaunce betwen the .2. pillers to be .2. Diameters & a quarter … but at the furdest .2. Diameters and a halfe or .3.]
1696. Phillips, Eustyle, the order where Pillars are rightly placed; the Intercolumniations being two Diameters and a Quarter.
1775. R. Chandler, Trav. Asia M. (1825), I. 152. The Temple was in antis, or of the eustyle species.
1832. Gell, Pompeiana, I. v. 80. The distance of two diameters and a half called the eustyle.
1876. Gwilt, Archit., 839. The diastyle and eustyle intercolumniations are very convenient in use.
