#466.  Measurement. —­ N. measurement, admeasurement[obs3],
mensuration, survey, valuation, appraisement, assessment, assize; estimate, estimation; dead reckoning, reckoning &c. (numeration) 85; gauging &c. v.; horse power.
     metrology, weights and measures, compound arithmetic.
     measure, yard measure, standard, rule, foot rule, compass, calipers;
gage, gauge; meter, line, rod, check; dividers; velo[obs3].
     flood mark, high water mark; Plimsoll line; index &c. 550.
     scale; graduation, graduated scale; nonius[obs3]; vernier &c.
(minuteness) 193.
     [instruments for measuring] bathometer, galvanometer, heliometer,
interferometer, odometer, ombrometer[obs3], pantometer[obs3], pluviometer[obs3], pneumatometer[obs3], pneumometer[obs3], radiometer, refractometer, respirometer, rheometer, spirometer[obs3], telemeter, udometer[obs3], vacuometer[obs3], variometer[obs3], viameter[obs3], thermometer, thermistor (heat &c. 382), barometer (air &c. 338), anemometer (wind 349), dynamometer, goniometer (angle 244) meter; landmark &c. (limit) 233; balance, scale &c. (weight) 319; marigraph[obs3], pneumatograph[obs3], stethograph[obs3]; rain gauge, rain gage; voltmeter(volts), ammeter(amps); spectrophotometer (light absorbance); mass spectrophotometer(molecular mass); geiger counter, scintillation counter(radioactivity); pycnometer (liquid density); graduated cylinder, volumetric flask (volume); radar gun (velocity); radar (distance); side-looking radar (shape, topography); sonar (depth in water); light meter (light intensity); clock, watch, stopwatch, chronometer (time); anemometer (wind velocity); densitometer (color intensity).
     measurability, computability, determinability[obs3].
     coordinates, ordinate and abscissa, polar coordinates, latitude and
longitude, declination and right ascension, altitude and azimuth.
     geometry, stereometry[obs3], hypsometry[obs3]; metage[obs3];
surveying, land surveying; geodesy, geodetics[obs3], geodesia[obs3]; orthometry[obs3], altimetry[obs3]; cadastre[Fr].
     astrolabe, armillary sphere[obs3].
     land surveyor; geometer. 
     V. measure, mete; determine, assay; evaluate, value, assess, rate,
appraise, estimate, form an estimate, set a value on; appreciate; standardize.
     span, pace step; apply the compass &c. n.; gauge, plumb, probe, sound,
fathom; heave the log, heave the lead; survey.
     weigh.
     take an average &c. 29; graduate. 
     Adj. measuring &c. v.; metric, metrical;
     measurable, perceptible, noticeable, detectable, appreciable,
ponderable, determinable, fathomable;
     geodetical, topographic, topographical, cartographic, cartographical.

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               Section III.  MATERIALS FOR REASONING
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