Chapter Words Relating to Matter of Index by Roget's Thesaurus

Flimsy, unsubstantial, gossamery, filmy, gauzy.

321. Pulverulence (Substantives), state of powder, powderiness, efflorescence, sandiness, friability.

Dust, powder, sand, shingle, sawdust, grit, meal, bran, flour, limature, filings, débris, detritus, moraine, scobs, crumb, seed, grain, particle, flocculence.

Reduction to powder, pulverisation, comminution, granulation, disintegration, weathering, subaction, contusion, trituration, levigation, abrasion, filing, etc. 331.

Instruments for pulverisation: a mill, grater, rasp, file, pestle and mortar.

(Verbs). To reduce to powder, to pulverise, comminute, granulate, triturate, levigate, scrape, file, abrade, rub down, grind, grate, rasp, mill, pound, bray, contuse, contund, beat, crush, crunch, scrunch, crumble, disintegrate, weather.

(Adjectives). Powdery, granular, mealy, floury, branny, farinaceous, furfuraceous, flocculent, dusty, sandy, sabulous, arenaceous, gritty, efflorescent, impalpable, pulverisable, pulverulent, friable, crumbly, shivery, pulverised, etc., attrite.

322. Friction (Substantives), attrition, rubbing, massage, abrasion, rub, etc., scouring, limature, filing, rasping, frication.

Grindstone, etc., see 253.

(Verbs). To rub, abrade, etc., scrape, scrub, grate, fray, rasp, pare, scour, polish, massage, shampoo, rub out.

323. Absence of friction.

Lubrication (Substantives), prevention of friction, oiling, synovia, etc.

Lubricant, oil, lard, grease, etc.

(Verbs). To lubricate 355, smooth 255.

(Adjective). Lubricated, etc.

2°. Fluid Matter

I. Fluids in general

• Fluidity (Substantives), fluid (including both inelastic and elastic fluids).

Inelastic fluid.

Liquidity, liquidness, aquosity, a liquid, liquor, lymph, humour, juice, sap, serum, serosity, gravy, rheum, ichor, sanies; solubility.

Science of liquids at rest: Hydrology, Hydrostatics, Hydrodynamics.

(Verbs). To be fluid or liquid, to flow, run.

(Adjectives). Liquid, fluid, fluent, running, flowing, serous, juicy, succulent, sappy, lush.

Liquefied, uncongealed, melted, etc. 335.

• Elastic fluid.

Gaseity, vaporousness, gas, air, vapour, ether, steam, fume, reek, effluvium.