A book containing samples of patterns and designs of cloth or wallpaper. / A book of architectural designs.

plural of patterroller

(African-American Vernacular, historical) A member of a slave patrol.

plural of pattern variable

(sociology) Any of a set of contrasting pairs of characteristics said to be associated with various kinds of social interaction: affectivity – affective neutrality; self-orientation – collectivity-orientation; universalism – particularism; ascription – achievement; and specificity – diffusity.

(industrial relations) The situation where a trade union gains a new and superior entitlement from one employer and then uses that agreement as a precedent to demand the same or better from other employers.

Synonym of pressed glass

plural of pattern hoe

Synonym of Italian hoe

(physics) A series of light and dark bands that map out the way in which the phase difference between two waves varies in space.