power ratingn.

Brit.

/ˈpaʊə ˌreɪtɪŋ/, U.S.

/ˈpaʊ(ə)r ˌreɪdɪŋ/

Origin: Formed within English, by compounding. Etymons: power n.¹, rating n.¹

Etymology: < power n.¹ + rating n.¹

1. The rate of work of which an engine is capable; horsepower.

ΘΚΠ

the world > matter > physics > energy or power of doing work > [noun] > capacity for exertion of mechanical force > power or rate of work known as horse-power > brake horsepower

brake horsepower1887

shaft horsepower1908

power rating1917

1917 Syracuse (N.Y.) Herald 3 Apr. 13 (advt.) Not another car in the world of this power rating will actually make forty-five miles an hour.

1944 B. Kuhlmann in H. F. Williamson Growth of Amer. Econ. xi. 219 Steamboat engines accounted for nearly three-fifths of the total steam power of the nation, possessing a power rating three and one-half times as great as that of engines used in industries.

1968 Times 24 Sept. p. v/1 Its motors can be stretched without overheating to exert an effort 50 percent..in excess of its normal, continuous power rating.

2000 Daily Tel. (Sydney) (Nexis) 13 May 127 The 44/55 rigids..are powered by a 5.9-litre Cummins diesel with power ratings ranging from 160hp to 230hp.

2. The amount of electrical energy used or produced by a machine, process, etc., usually measured in watts or volts.

ΚΠ

1924 Washington Post 27 Apr. 15/3 The latter [transmitting set]..is for code work only, and has a power rating of but 100 watts.

1946 V. N. Wood Metall. Materials i. 39 Furnaces are built in various sizes to hold charges ranging from 30 lb. to 3000 lb., and power ratings from 36 kVA to 875 kVA.

1999 A. Makhijani Nucl. Power Deception ii. 38 The heat from decaying fission products alone amounts to several percent of the full power rating.

3. An assessment of ability or effectiveness (according to an established scale or set of criteria).

ΘΚΠ

the world > action or operation > advantage > efficacy > [noun] > measure of

figure of merit1865

power rating1941

1941 Charleston (W. Virginia) Daily Mail 4 Nov. 20/2 (table headings) Home Team. Power Rating. Opponent Power Rating. Probable Difference In Score.

1949 Statesville (N. Carolina) Daily Record 27 Sept. The difference in the power ratings of two opposing teams is supposed to be the difference in score.

1963 C. E. Thometz Decision-makers iii. 26 The power rating of leaders is directly related to their association..; the most influential leaders are better known than less influential leaders.

1991 What Personal Computer Dec. 8/1 An IBM PS/2 Model 30 286..has been given a notional Power Rating of 2,000.

2001 C. Millman Odds vii. 72 I..bought a book by Jim Fiest that had all his power ratings of college basketball teams from the year before.

This is a new entry (OED Third Edition, December 2006; most recently modified version published online March 2022).

单词	power rating
释义	power ratingn. Brit. /ˈpaʊə ˌreɪtɪŋ/, U.S. /ˈpaʊ(ə)r ˌreɪdɪŋ/ Origin: Formed within English, by compounding. Etymons: power n.¹, rating n.¹ Etymology: < power n.¹ + rating n.¹ 1. The rate of work of which an engine is capable; horsepower. ΘΚΠ the world > matter > physics > energy or power of doing work > [noun] > capacity for exertion of mechanical force > power or rate of work known as horse-power > brake horsepower brake horsepower1887 shaft horsepower1908 power rating1917 1917 Syracuse (N.Y.) Herald 3 Apr. 13 (advt.) Not another car in the world of this power rating will actually make forty-five miles an hour. 1944 B. Kuhlmann in H. F. Williamson Growth of Amer. Econ. xi. 219 Steamboat engines accounted for nearly three-fifths of the total steam power of the nation, possessing a power rating three and one-half times as great as that of engines used in industries. 1968 Times 24 Sept. p. v/1 Its motors can be stretched without overheating to exert an effort 50 percent..in excess of its normal, continuous power rating. 2000 Daily Tel. (Sydney) (Nexis) 13 May 127 The 44/55 rigids..are powered by a 5.9-litre Cummins diesel with power ratings ranging from 160hp to 230hp. 2. The amount of electrical energy used or produced by a machine, process, etc., usually measured in watts or volts. ΚΠ 1924 Washington Post 27 Apr. 15/3 The latter [transmitting set]..is for code work only, and has a power rating of but 100 watts. 1946 V. N. Wood Metall. Materials i. 39 Furnaces are built in various sizes to hold charges ranging from 30 lb. to 3000 lb., and power ratings from 36 kVA to 875 kVA. 1999 A. Makhijani Nucl. Power Deception ii. 38 The heat from decaying fission products alone amounts to several percent of the full power rating. 3. An assessment of ability or effectiveness (according to an established scale or set of criteria). ΘΚΠ the world > action or operation > advantage > efficacy > [noun] > measure of figure of merit1865 power rating1941 1941 Charleston (W. Virginia) Daily Mail 4 Nov. 20/2 (table headings) Home Team. Power Rating. Opponent Power Rating. Probable Difference In Score. 1949 Statesville (N. Carolina) Daily Record 27 Sept. The difference in the power ratings of two opposing teams is supposed to be the difference in score. 1963 C. E. Thometz Decision-makers iii. 26 The power rating of leaders is directly related to their association..; the most influential leaders are better known than less influential leaders. 1991 What Personal Computer Dec. 8/1 An IBM PS/2 Model 30 286..has been given a notional Power Rating of 2,000. 2001 C. Millman Odds vii. 72 I..bought a book by Jim Fiest that had all his power ratings of college basketball teams from the year before. This is a new entry (OED Third Edition, December 2006; most recently modified version published online March 2022). < n.1917
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