shearography
n.— «Skin-to-core bonding problems can be detected by the shearography technique through laser interferometry techniques. When a composite part is slightly stressed, a minor surface deflection in the material can be spotted by the laser, which produces a fringe pattern.» —“B-2 Bomber Development New Design, Production Tools Will Play Key Role in B-2 Cost” by William B. Scott Aviation Week & Space Technology Dec. 5, 1988. (source: Double-Tongued Dictionary)
Further reading
What if, instead of being an inanimate object, a dictionary were alive? That’s the idea behind a lavishly illustrated new children’s book called The Dictionary Story (Bookshop|Amazon) by Oliver Jeffers and Sam Winston. This is part of a...