CLASS III: Words Relating to MATTER  
SECTION II. INORGANIC MATTER
Solid Matter

Density –N. solidity; solidness; impenetrability, impermeability; incompressibility; imporosity; cohesion; constiption, consistence, spissitude. hydrometer, areometer. consolidation; concretion, caseation, coagulation; petrification (hardening); crystallization, precipitation; deposit; precipitate, silt; inspissation; thickening. indivisibility, indiscerptibility, indissolvableness. mass, block, knot, lump; concretion, concrete, conglomerate; cake. clot, stone, curd, coagulum, grume; bone, gristle, cartilage.

Rarity –N. tenuity; absence of solidity; subtility; sponginess, compressibility. rarefaction, expansion, dilatation, inflation, subtilization. ether (gas).

Thesaurus of Words and Phrases by Peter Mark Roget, M.D., F.R.S. Enlarged by John Lewis Roget, M.A., New Edition Revised and Enlarged by Samuel Romily Roget, M.A. Published by Grosset & Dunlap, the edition is copyright 1941, 1947.

CLASS III: Words Relating to MATTER  
WORDS RELATING TO MATTER
SECTION I. MATTER IN GENERAL

Materiality –N. materialization; corporeity, corporality; substantiality, material existence, incarnation, flesh and blood, plenum; physical condition. matter, body, substance, brute matter, stuff, element, principle, protoplasm, plasma, material, substratum, hyle, frame. object, article, thing, something; still life; stocks and stones; materials. [Science of matter] physics; somatology; natural philosophy, experimental philosophy; physical science, materialism, hylism; materialist, physicist..

Immateriality –N. incorporeity, dematerialization, unsubstantiality, spirituality; astral plane. personality; I, myself, me; ego, spirit (soul); astral body; immateriallism; spiritualism; sublimal self, subconscious self.

Thesaurus of Words and Phrases by Peter Mark Roget, M.D., F.R.S. Enlarged by John Lewis Roget, M.A., New Edition Revised and Enlarged by Samuel Romily Roget, M.A. Published by Grosset & Dunlap, the edition is copyright 1941, 1947.

CLASS II: Words Relating to SPACE  
SECTION IV. MOTION
MOTION WITH REFERENCE TO DIRECTION, continued

[Motion in a continued circle.] Rotation –N. revolution, gyration, circulation, roll; circumrotation; volutation, circination, turbination, pirouette, convolution. verticity; whir, whirl, swirl, eddy, vortex, whirlpool, gurge; cyclone, tornado; surge; vertigo, Maelstrom, Charybdis; Ixion; wheel, screw, propeller, whirligig, windmill; top, teetotum, merry-go-round; roller; cog-wheel, fly-wheel, spit; jack; caster. axis, axle, spindle, spool, pivot, pin, hinge, pole, swivel, gimals, arbor, bobbin, mandrel, shaft.

[Motion in a reverse circle.] Evolution –N. unfolding, development; eversion (inversion).

Thesaurus of Words and Phrases by Peter Mark Roget, M.D., F.R.S. Enlarged by John Lewis Roget, M.A., New Edition Revised and Enlarged by Samuel Romily Roget, M.A. Published by Grosset & Dunlap, the edition is copyright 1941, 1947.

CLASS II: Words Relating to SPACE  
SECTION IV. MOTION
MOTION WITH REFERENCE TO DIRECTION, continued

Leap. –N. jump, hop, spring, bound, vault, saltation. dance, caper, gambol; curvet, caracole; capriole, demivolt; kangaroo, goat, frog, grasshopper, flea.

Plunge. –N. dip, dive, header; ducking; submergence, immersion, diver.

Thesaurus of Words and Phrases by Peter Mark Roget, M.D., F.R.S. Enlarged by John Lewis Roget, M.A., New Edition Revised and Enlarged by Samuel Romily Roget, M.A. Published by Grosset & Dunlap, the edition is copyright 1941, 1947.

CLASS II: Words Relating to SPACE  
SECTION IV. MOTION
MOTION WITH REFERENCE TO DIRECTION, continued

[Motion towards.] Approach–N. approximation, appropinquation; access; appulse; afflux; advent (approach of time); pursuit; convergence.

[Motion from.] Recession. –N. retirement, withdrawal; retreat; retrocession; departure; recoil; flight (avoidance).

Thesaurus of Words and Phrases by Peter Mark Roget, M.D., F.R.S. Enlarged by John Lewis Roget, M.A., New Edition Revised and Enlarged by Samuel Romily Roget, M.A. Published by Grosset & Dunlap, the edition is copyright 1941, 1947.