pyrogravure

[Pref. pyro-, and Fr. gravure =engraving.] 1. The art or proce of engraving on wood or leather by means of a pyro graph (q. v.). gravure. přr-ô-la, subst. [From Lat. pyrus =a pear tree, which it somewhat resembles in foliage.] Bot.: Winter-green; the typical genus of Pyrola cere (q. v.). Petals five, distinct; filaments subulate, anther cells generally with a single pore, rarely with two. Valves of the capsules connected at the margin with a web. North Temperate Zone. Species about twelve. pěr-o-lā-çě-æ, s. pl. [Mod. Lat. pyrol ( a ); Lat. fem. pl. adj. suff. -aceæ.] Bot.: Winter-greens; an order of Hypogynous Exogens, alliance Ericales. Herbs or undershrubs, leaves simple, entire, or toothed. Sepals five, persistent; corolla four or five-parted; stamens twice as many, half sometimes abortive; anthers two celled, opening by pores; ovary superior, four or five-celled, many seeded; fruit capsular; seeds minute. In fir woods, ., in the Northern Temperate Zone. Genera five, species twenty. ( Lindley .) †py-rol-a-tor, subst . [PYROLATRY.) A fire worshiper. †py-rol-a-try, s . [Pref. pyro- , and Gr. latreia = worship.] Fire-worship (q. v.). pýr-o'-lě-sæ, s. pl . [Mod. Lat. pyrol(a); Latin fem. pl. adj. suff. -eœ .] Bot.: A tribe of Ericacese, equivalent to Lindley's order Pyrolacese. ( Sir J. Hooker, .) pyr-ō-le-ic, adj. [Pref. pyr, and Eng. oleic.] Derived from oleic acid by heat. pyroleic-acid, s. [SEBACIC-ACID.]