[adj] consisting of or containing or of the nature of crystals; "granite is crystalline"
[adj] transmitting light; able to be seen through with clarity; "the cold crystalline water of melted snow"; "crystal clear skies"; "could see the sand on the bottom of the limpid pool"; "lucid air"; "a pellucid brook"; "transparent cristal"
[adj] distinctly or sharply outlined; "crystalline sharpness of outline"- John Buchan
A two line image poem, often with a title, in which euphony is the key factor. Each line may have 8 or 9 syllables to make a total of seventeen.
My fingers reach to touch the sky
where swallows circle,then southwards fly.
clear, crystal clear, crystalised, crystallized, distinct, limpid, lucid, microcrystalline, pellucid, polycrystalline, transparent