pilotaxitic
/ˌpʌɪləʊtakˈsɪtɪk/Geology
adjective
Having or designating a texture formed by a felted mass of acicular or lath-shaped crystals in a holocrystalline igneous rock.
Origin
Late 19th century; earliest use found in Frederick Hatch (1864–1932), geologist and mining engineer. From ancient Greek πῖλος wool, felt + τάξις arrangement + -itic, after German pilotaxitisch.