slope-comb. form

1834 J. S. Macaulay Treat. Field Fortification 178 The slope-block is a cube of wood, the side of the cube made equal to the intended difference of level.

1648 H. Hexham Groot Woorden-boeck at Galm The Slope-board-windowes in a Steeple of Bells, to give them the better sound.

1884 E. Yates Recoll. & Experiences I. iii. 99 On the edge of his green slope-desk.

1805 R. W. Dickson Pract. Agric. I. 389 Machines..for scooping out slope drains, where necessary, in a field.

1828 H. Steuart Planter's Guide (ed. 2) 199 No water can stagnate..where the entire bottom of the space..is worked to a uniform level, that is, a slope-level.

1875 E. H. Knight Amer. Mech. Dict. III. 2214/2 The slope-level or clinometer is used for determining the angle of embankments, the grade of roads, pitch of roof [etc.].

1712 J. James tr. A.-J. Dézallier d'Argenville Theory & Pract. Gardening 67 The Turf must be laid so that..the Slope-line be kept without Elbows and Inequalities.

1859 A. Cayley Coll. Math. Papers IV. 108 A system of contour lines and steepest or slope lines.

1683 J. Moxon Mech. Exercises II. 112 The Slope-sholdering of the Counter-Punch.

1669 S. Sturmy Mariners Mag. ii. xvi. 96 This Distance from B to H is the true Length of the Sloap-side BE.

1870 W. Morris Earthly Paradise: Pt. III 469 A gay-striped tent Just raised upon the slope-side.

1864 G. W. Dasent Jest & Earnest (1873) I. 38 These slope-swards are often so large, that it takes more than a day to work them out.

1931 Henley's ABC of Gliding & Sailflying 151 The flight of a sailplane in a slope wind is shown... As long as the sailplane remains within the range of this ascending slope wind it cannot sink.

1966 M. Schwartz et al. Communication Syst. & Techniques v. 230 One side of a resonance curve is used as a ‘slope circuit’ in a frequency detector.

1978 S. Haykin Communication Syst. iv. 342 Basically, a frequency discriminator consists of a slope circuit followed by an envelope detector.

1931 V. W. Pagé Henley's ABC Gliding & Sailflying vii. 150 This ascending air current, which is defined as a slope current, forms the source of energy for sailing flight.

1939 R. R. D. Revelle & F. P. Shepard in P. D. Trask Recent Marine Sediments 277 In the Southern California region..the chief role in the transportation of débris must be played by tidal currents and non-permanent eddying ‘slope currents’ resulting from wind action.

1968 G. Neumann Ocean Currents iv. 195 The resulting slope of the sea surface produces horizontal pressure gradients in meridional direction which, in turn, cause slope currents to develop.

1949 B. Grob Basic Television xxi. 433 While slope detection is seldom used in television receivers for reception of the associated sound signal, the principle is important because it illustrates how an FM signal can be received with an AM system.

1978 D. Cameron Audio Technol. Syst. iv. 129 Economy-type FM tuners occasionally use some form of slope detection.

1958 A. W. Keen Frequency Modulation iii. 83 This circuit, with the resonant frequency adjusted above the highest value of the f.m. signal-frequency, or below the lowest, was the first to be used..as an f.m. detector and is known as a ‘slope’ detector.

1977 F. G. Stremler Introd. Communication Syst. vi. 293 Although the slope detector is economical, it has a very limited range and its use is restricted to input signals with small frequency variations.

1937 Proc. IRE 25 474 The intermediate-frequency output of a superheterodyne receiver is fed through a limiter to a slope filter or conversion circuit which converts the frequency modulation into amplitude modulation.

1942 A. Hund Frequency Modulation i. 84 For the upper cutoff frequency..of the slope filter a voltage 2E is obtained at the output of this filter.

1966 Publ. Amer. Dial. Soc. 1964 xlii. 45 Slope and slopehead were the most popular terms applied to all ‘indigenous personnel’ [in Korea in 1950–1].

1968 Listener 23 May 656/2 At Can Tho, two years ago, I heard American Air Force men sing a ballad about the Vietnamese, whom they then called ‘slopeheads’ or ‘slopes’.

1938 C. F. S. Sharpe Landslides i. 8 The series can be represented as follows: Stream-flow (much water, small load, low angle), Slopewash, Sheetflood, Mudflow, Earthflow, Debris-avalanche, Landslide (little water, large load, moderate to high angle).

1966 J. Wyckoff Rock, Time, & Landforms iv. 71 As the ravine is cut deeper, its walls are worn back by weathering, mass wasting, and slope wash.

1978 Nature 23 Feb. 740/1 Slopewash seems important in sediment transport and fallen sandstone blocks and trees accumulate sediment on their upslope sides.