S: (n) burette, buret (measuring instrument consisting of a graduated glass tube with a tap at the bottom; used for titration)
S: (n) caliper, calliper (an instrument for measuring the distance between two points (often used in the plural))
S: (n) calorimeter (a measuring instrument that determines quantities of heat)
S: (n) chronoscope (an instrument for accurate measurements of small intervals of time)
S: (n) colorimeter, tintometer (a measuring instrument used in colorimetric analysis to determine the quantity of a substance from the color it yields with specific reagents)
S: (n) counter tube (a measuring instrument for counting individual ionizing events)
S: (n) electrodynamometer (measuring instrument that uses the interaction of the magnetic fields of two coils to measure current or voltage or power)
S: (n) electroscope (measuring instrument that detects electric charge; two gold leaves diverge owing to repulsion of charges with like sign)
S: (n) eudiometer (measuring instrument consisting of a graduated glass tube for measuring volume changes in chemical reactions between gases)
S: (n) gauge, gage (a measuring instrument for measuring and indicating a quantity such as the thickness of wire or the amount of rain etc.)
S: (n) graduate (a measuring instrument for measuring fluid volume; a glass container (cup or cylinder or flask) whose sides are marked with or divided into amounts)
S: (n) gravimeter, gravity meter (a measuring instrument for measuring variations in the gravitational field of the earth)
S: (n) heliometer (an instrument used to measure the angular separation of two stars that are too far apart to be included in the field of view of an ordinary telescope)
S: (n) hematocrit, haematocrit (a measuring instrument to determine (usually by centrifugation) the relative amounts of corpuscles and plasma in the blood)
S: (n) hydrometer, gravimeter (a measuring instrument for determining the specific gravity of a liquid or solid)
S: (n) hygrometer (measuring instrument for measuring the relative humidity of the atmosphere)
S: (n) inclinometer, dip circle (a measuring instrument for measuring the angle of magnetic dip (as from an airplane))
S: (n) Kundt's tube (a measuring instrument used to measure the speed of sound)
S: (n) lidar (a measuring system that detects and locates objects on the same principle as radar but uses light from a laser; a potential technology for detecting air turbulence that can affect aircraft)
S: (n) log (measuring instrument that consists of a float that trails from a ship by a knotted line in order to measure the ship's speed through the water)
S: (n) photometer (measuring instrument for measuring the luminous intensity of a source by comparing it (visually or photoelectrically) with a standard source)
S: (n) piezometer (a measuring instrument for measuring high pressures)
S: (n) pipet, pipette (measuring instrument consisting of a graduated glass tube used to measure or transfer precise volumes of a liquid by drawing the liquid up into the tube)
S: (n) Pitot-static tube, Pitot head, Pitot tube (measuring instrument consisting of a combined Pitot tube and static tube that measures total and static pressure; used in aircraft to measure airspeed)
S: (n) Pitot tube, Pitot (measuring instrument consisting of a right-angled tube with an open end that is directed in opposition to the flow of a fluid and used to measure the velocity of fluid flow)
S: (n) plethysmograph (a measuring instrument for measuring changes in volume of a part or organ or whole body (usually resulting from fluctuations in the amount of blood it contains))
S: (n) potentiometer (a measuring instrument for measuring direct current electromotive forces)
S: (n) quadrant (a measuring instrument for measuring altitude of heavenly bodies)
S: (n) sclerometer (a measuring instrument that measures the hardness of materials by penetrating them with a stylus that has a diamond point)
S: (n) sector (measuring instrument consisting of two graduated arms hinged at one end)
S: (n) seismograph (a measuring instrument for detecting and measuring the intensity and direction and duration of movements of the ground (as an earthquake))
S: (n) sensitometer (a measuring instrument for measuring the light sensitivity of film over a range of exposures)
S: (n) sextant (a measuring instrument for measuring the angular distance between celestial objects; resembles an octant)
S: (n) sonar, echo sounder, asdic (a measuring instrument that sends out an acoustic pulse in water and measures distances in terms of the time for the echo of the pulse to return) "sonar is an acronym for sound navigation ranging"; "asdic is an acronym for antisubmarine detection investigation committee"
S: (n) spherometer (a measuring instrument for measuring the curvature of a surface)
S: (n) spirograph (a measuring instrument for recording the depth and rapidity of breathing movements)
S: (n) spirometer (a measuring instrument for measuring the vital capacity of the lungs)
S: (n) static tube (a measuring instrument used to measure static pressure in a stream of fluid)
S: (n) synchroscope, synchronoscope, synchronizer, synchroniser (an instrument that indicates whether two periodic motions are synchronous (especially an instrument that enables a pilot to synchronize the propellers of a plane that has two or more engines))
S: (n) tape, tapeline, tape measure (measuring instrument consisting of a narrow strip (cloth or metal) marked in inches or centimeters and used for measuring lengths) "the carpenter should have used his tape measure"
S: (n) tensiometer (a measuring instrument for measuring the surface tension of a liquid)
S: (n) tensiometer (a measuring instrument for measuring the tension in a wire or fiber or beam)
S: (n) tensiometer (a measuring instrument for measuring the moisture content of soil)
S: (n) gauge, standard of measurement (accepted or approved instance or example of a quantity or quality against which others are judged or measured or compared)
S: (n) gauge (the distance between the rails of a railway or between the wheels of a train)
(2)S: (v) estimate, gauge, approximate, guess, judge (judge tentatively or form an estimate of (quantities or time)) "I estimate this chicken to weigh three pounds"
S: (v) gauge (rub to a uniform size) "gauge bricks"
S: (v) gauge (determine the capacity, volume, or contents of by measurement and calculation) "gauge the wine barrels"
S: (v) gauge (measure precisely and against a standard) "the wire is gauged"
S: (v) gauge (adapt to a specified measurement) "gauge the instruments"
S: (v) gauge (mix in specific proportions) "gauge plaster"