Anagrams of: PYRITOHEDRON

• Any of a number of naturally occurring insecticides extracted from the pyrethrum plant; unusual in having a cyclopropane ring.

• serious infection marked by intestinal inflammation and ulceration; caused by Salmonella typhosa ingested with food or water

• South African shrub whose flowers when open are cup-shaped resembling artichokes

• the way a word or a language is customarily spoken

• a term formerly used for the part of phonology that dealt with the `correct' pronunciation of words and its relation to `correct' orthography

• relating to erythrocytes

• of or relating to a state of sleep or hypnosis

• a tropical cyclone occurring in the western Pacific or Indian oceans

• a song or hymn of mourning composed or performed as a memorial to a dead person