comparatorn.

/ˈkɒmpəreɪtə/

Etymology: agent-noun in Latin form < comparāre to compare: in modern French comparateur.

An instrument for comparing, e.g. the lengths of nearly equal bars. Hence, any of various devices which measure or otherwise check manufactured articles, or the output or performance of a machine, etc., by comparison with a standard (see quots.).

ΘΚΠ

society > occupation and work > equipment > [noun] > for performing other processes

purchase1711

adjuster1747

concentrator1804

steamer1814

isolator1855

spacer1857

tumbler1857

plough1860

aspirator1863

trap1877

tumbling-box1877

plicater1880

comparator1883

tumbler-drum1883

rumbling barrel1894

copier1917

programmer1945

simulator1947

tensioner1950

platformer1953

hydrogasifier1966

snubber1972

the mind > attention and judgement > discovery > comparison > [noun] > instrument for comparing

comparator1883

1883 Catal. Yale College 100 Apparatus..in Thermometry, including comparators, cathetometers, etc.

1904 G. F. Goodchild & C. F. Tweney Technol. & Sci. Dict. 121/2 Comparator (Phys.), an instrument for comparing a given scale of lengths with a Standard Scale.

1922 F. W. Aston Isotopes iii. 60 The most accurate measurements were made on a comparator.

1955 Sci. News Let. 22 Oct. 272/3 Hand comparator for judging surface roughness of mass-produced parts permits metal surfaces to be compared.

1959 News Chron. 28 Nov. 6/8 At many hi-fi showrooms you can hear the relative performances of different speakers by means of a ‘comparator’.

1961 Times 31 May 18/4 An instrument known as a comparator which can test 6,000 resistors an hour.

1962 Gloss. Autom. Data Processing (B.S.I.) 97 Tape comparator, a machine which automatically compares two supposedly identical paper tapes row by row and stops when there is a discrepancy.

This entry has not yet been fully updated (first published 1891; most recently modified version published online March 2019).

单词	comparator
释义	comparatorn. /ˈkɒmpəreɪtə/ Etymology: agent-noun in Latin form < comparāre to compare: in modern French comparateur. An instrument for comparing, e.g. the lengths of nearly equal bars. Hence, any of various devices which measure or otherwise check manufactured articles, or the output or performance of a machine, etc., by comparison with a standard (see quots.). ΘΚΠ society > occupation and work > equipment > [noun] > for performing other processes purchase1711 adjuster1747 concentrator1804 steamer1814 isolator1855 spacer1857 tumbler1857 plough1860 aspirator1863 trap1877 tumbling-box1877 plicater1880 comparator1883 tumbler-drum1883 rumbling barrel1894 copier1917 programmer1945 simulator1947 tensioner1950 platformer1953 hydrogasifier1966 snubber1972 the mind > attention and judgement > discovery > comparison > [noun] > instrument for comparing comparator1883 1883 Catal. Yale College 100 Apparatus..in Thermometry, including comparators, cathetometers, etc. 1904 G. F. Goodchild & C. F. Tweney Technol. & Sci. Dict. 121/2 Comparator (Phys.), an instrument for comparing a given scale of lengths with a Standard Scale. 1922 F. W. Aston Isotopes iii. 60 The most accurate measurements were made on a comparator. 1955 Sci. News Let. 22 Oct. 272/3 Hand comparator for judging surface roughness of mass-produced parts permits metal surfaces to be compared. 1959 News Chron. 28 Nov. 6/8 At many hi-fi showrooms you can hear the relative performances of different speakers by means of a ‘comparator’. 1961 Times 31 May 18/4 An instrument known as a comparator which can test 6,000 resistors an hour. 1962 Gloss. Autom. Data Processing (B.S.I.) 97 Tape comparator, a machine which automatically compares two supposedly identical paper tapes row by row and stops when there is a discrepancy. This entry has not yet been fully updated (first published 1891; most recently modified version published online March 2019). < n.1883
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