an edible lichen, Cetraria islandica, of arctic regions, containing a starchlike substance used in medicine.
a lichen, Cetraria islandica, of arctic regions and N Europe, with brownish edible fronds
- Iceland poppy
noun 1. any of various widely cultivated arctic poppies, esp Papaver nudicaule, with white or yellow nodding flowers
noun 1. a transparent variety of calcite that is double-refracting and is used as a polarizer. noun 1. a pure transparent variety of calcite with double-refracting crystals used in making polarizing microscopes Iceland spar (īs’lənd) A form of calcite that is transparent and causes light passing through it to refract in two directions (forming a […]
- I cell
I cell n. See inclusion cell.
- Ice lolly
noun 1. (Brit, informal) an ice cream or water ice on a stick Also called lolly US and Canadian equivalent (trademark) Popsicle