flocculent

They invariably come laden with words that seem meant to prove his vocabulary is bigger than yours: flocculent, crapulent, caducous, anaglypta, mephitic, velutinous.

From New York Times ● Oct. 1, 2020

“A vast, flocculent cloud darkened and devitalized the city, mimicking the family mood like weather does in memories.”

From New York Times ● Apr. 11, 2019

With chloride of platina it forms a flocculent uncrystallized precipitate, which decomposes on the liquid being heated.

From Narrative of the Circumnavigation of the Globe by the Austrian Frigate Novara, Volume III (Commodore B. Von Wullerstorf-Urbair,) Undertaken by Order of the Imperial Government in the Years 1857, 1858, & 1859, Under the Immediate Auspices of His I. and R. Highness the Archduke Ferdinand Maximilian, Commander-In-Chief of the Austrian Navy. by Karl Ritter von Scherzer

Belt several times exposed the underground chambers to observation and found that they were always about three parts filled with “a speckled, brown, flocculent, spongy-looking mass of a light and loosely-connected substance.”

From The Industries of Animals by Frédéric Houssay

Leaves thick; upper surface light green, dull, smooth; lower surface pale green, pubescent, flocculent; lobes lacking; terminus acute; petiolar sinus deep, narrow; lateral sinus very shallow; teeth shallow, wide.

From Manual of American Grape-Growing by U. P. Hedrick