noun
solid typesetting; solid printing
Printing term for setting text without line breaks or spacing, often used in contrast to ベタ打ち (solid typing).
See also: ベタ打ち
このページはベタ組みで、改行が一切入っていない。
This page is set solid, with no line breaks at all.
Compound of ベタ (solid, unbroken) and 組み (typesetting). The exact origin is uncertain, but it is a technical term in printing.