From LIAS Glossary
Jump to: navigation, search

orchil (adjective, colour term; variant spelling: orchill; also asnoun: sl. orchil, pl. orchils; synonym: litmus, no plural) – referring to colour: reddish violet to deep purple or blue depending on the pH (a low, acid pH results in a reddish colour; a high, basic pH gives a blue colour); referring to the pigment: an organic dye derived from a variety of lichens like most Roccella species, some Lecanora and Ochrolechia species, and several other genera; referred to as litmus if used as pH indicator.

This page is part of the LIAS Glossary. It is closely interlinked with the other LIAS projects: LIASLIAS lightLIAS namesLIAS gtm. See also Cooperating Websites
Many pages in the LIAS Glossary is in need of further revisions. Please contribute. Criticism as well as collaboration is welcome!

Other Resources: Flora Australia Fungi, Lichens  •  Glossary at Mushroom  •  Cornell Pl. Path.  •  APS Pl. Path.: A-D E-H I-M N-R S-V W-Z.
Direct search for topic name: Google   Yahoo   Merriam-Webster Online   Leo German-English   Wikipedia: en de fr es it   Wiktionary: en de fr es it