plural of defragmentation

Not rusty.

(physics) A device that measures fluctuations in the Earth’s atmosphere. / (physics) A scintillation counter.

(organic chemistry) The diterpenoid (4aS,5R,6R,6aR,7S,11aS,11bR)-5,6-dihydroxy-4,4,11b-trimethyl-1,2,3,4a,5,6,6a,7,11,11a-decahydronaphtho[2,1-f][1]benzofuran-7-carboxylic acid in the seeds of Pter...