loose material
91Unstratified — Un*strat i*fied, a. (Geol.) Not stratified; applied to massive rocks, as granite, porphyry, etc., and also to deposits of loose material, as the glacial till, which occur in masses without layers or strata. [1913 Webster] …
92auger — noun Etymology: Middle English, alteration (resulting from false division of a nauger) of nauger, from Old English nafogār; akin to Old High German nabugēr auger, Old English nafu nave, gār spear more at nave, gore Date: before 12th century any… …
93detritus — noun (plural detritus) Etymology: French détritus, from Latin detritus, past participle of deterere Date: 1802 1. loose material (as rock fragments or organic particles) that results directly from disintegration 2. a. a …
94front-end loader — noun Date: 1954 a usually wheeled vehicle with a hydraulically operated scoop in front for excavating and loading loose material called also front loader …
95valve — noun Etymology: Latin valva; akin to Latin volvere to roll more at voluble Date: 14th century 1. archaic a leaf of a folding or double door 2. [New Latin valva, from Latin] a bodily structure (as the mitral valve) that closes temporarily a… …
96fettle — I. noun Etymology: 2fettle Date: 1740 state or condition of health, fitness, wholeness, spirit, or form often used in the phrase in fine fettle II. transitive verb (fettled; fettling) Etymology: British dialect, to set in order, get ready, from… …
97Extra-vehicular activity — (EVA) is work done by an astronaut away from the Earth and outside of a spacecraft. The term most commonly applies to an EVA made outside a craft orbiting Earth (a spacewalk) but also applies to an EVA made on the surface of the Moon (a moonwalk) …
98Devils Marbles Conservation Reserve — IUCN Category V (Protected Landscape/Seascape) …
99Tractor — This article is about a vehicle used in agriculture or construction. For the power unit of a semi trailer truck (articulated lorry), see tractor unit. For other uses, see Tractor (disambiguation) …
100Oxbow lake — Songhua River, northeast China. Swirls and curves, showing paths the river once took, as well as oxbow lakes, are easily seen in this satellite photo. An oxbow lake is a U shaped body of water formed when a wide meander from the main stem of a… …
