A violet dye from the lichens Rocella tinctoria and R. fuciformis. SYN: orchella, orchil, roccellin.

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ar·chil 'är-chəl also or·chil 'ȯr- n
1) a violet dye obtained from lichens (genera Rocella and Lecanora) see CUDBEAR
2) a lichen that yields archil

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ar·chil (ahrґkil) 1. the lichen Roccella tinctoria. 2. a violet coloring from this and other lichens, employed as an indicator dye for litmus paper: alkalis give a blue color, and acids a red color.

Medical dictionary. 2011.

Look at other dictionaries:

  • Archil — Ar chil (?; 277), n. [OF. orchel, orcheil, It. orcella, oricello, or OSp. orchillo. Cf. {Orchil}.] 1. A violet dye obtained from several species of lichen ({Roccella tinctoria}, etc.), which grow on maritime rocks in the Canary and Cape Verd… …   The Collaborative International Dictionary of English

  • Archil — Archil, s. Orseille …   Meyers Großes Konversations-Lexikon

  • Archil — Archil, Farbstoff, s.v.w. Orseille …   Kleines Konversations-Lexikon

  • archil — [är′kil, är′chil] n. [ME orchell < OFr orchel < It orcello < L urceolaris (herba), (plant) used for polishing glass pitchers < urceolus, dim. of urceus, pitcher] ORCHIL …   English World dictionary

  • archil — noun Etymology: Middle English orchell Date: 15th century 1. a violet dye obtained from lichens (genera Roccella and Lecanora) 2. a lichen that yields archil …   New Collegiate Dictionary

  • archil — /ahr kil/, n. orchil. * * * …   Universalium

  • archil — n. purple dye …   English contemporary dictionary

  • archil — [ α:tʃɪl] noun archaic spelling of orchil …   English new terms dictionary

  • archil — ar·chil …   English syllables

  • archil —   , orchil   n. dye obtained from certain lichens; lichens yielding this …   Dictionary of difficult words

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