
1) Explosive made of picric acid 2) Explosive used in shells
Found on
https://www.crosswordclues.com/clue/lyddite

• (n.) A high explosive consisting principally of picric acid, used as a shell explosive in the British service; -- so named from the proving grounds at Lydd, England.
Found on
http://thinkexist.com/dictionary/meaning/lyddite/

British explosive used for filling artillery shells in World War I. Actually molten and cast picric acid, the name was adopted in order to conceal the nature of the substance and taken from the...
Found on
http://www.encyclo.co.uk/local/20688
Lydd'ite noun (Chemistry) A high explosive consisting principally of picric acid, used as a shell explosive in the British service; -- so named from the proving grounds at
Lydd , England.
Found on
http://www.encyclo.co.uk/webster/L/72

Lyddite was a British explosive used for filling artillery shells during the South African War and the Great War. It was actually molten and cast picric acid, the name being adopted in order to conceal the nature of the substance and was taken from the initial trials which were conducted at Lydd, in southern England. When this acid comes into conta...
Found on
http://www.probertencyclopaedia.com/browse/FL.HTM

a high explosive consisting chiefly of picric acid.
Found on
https://www.infoplease.com/dictionary/lyddite
No exact match found.