A parasitic fungus of trees, usually birch, found on the circumboreal region of the Northern hemisphere, Inonotus obliquus.

(biochemistry) An extremely poisonous alkaloid, obtained from fly agaric, that disrupts the action of acetylcholine neurotransmitter.

Alternative form of mosaicking

(meteorology) A center of high atmospheric pressure that is always present around the Azores and plays an important role for the weather in Europe.