slow-speedadj.

Brit.

/ˈsləʊˌspiːd/, U.S.

/ˈsloʊˌspid/

Origin: Formed within English, by compounding. Etymons: slow adj., speed n.

Etymology: < slow adj. + speed n.

1. Operating, or designed to operate, at a low speed of motion, transmission, etc.

ΚΠ

1869 Sci. Amer. 12 June 372/2 From ¹/ ₂₀ to ¹/ ₃₀ of the area of the piston for slow speed engines.

1904 T. H. White Petrol Motors & Motor Cars ii. 108 When applied to an automobile, it is usual to make the reversing gear of a similar design to the slow-speed forward gear.

1948 Proc. Symp. Large-scale Digital Calculating Machinery 1947 267 This paper is concerned with the transfer of information between a slow-speed external memory, such as magnetic wire, and a high-speed internal memory operating at microsecond speeds, such as acoustic delay lines or electrostatic storage tubes.

2019 @maegodhavemercy 23 Oct. in twitter.com (accessed 3 June 2020) I wanted to have a single slow-speed motor running the whole thing, which would drive a single shaft, instead of a bunch of individual motors.

2. Of photographic materials: reacting slowly to light (see slow adj. 13b).

ΚΠ

1909 Photogr. Jrnl. Nov. 369 These times (for 60° F. with my standard time developer) vary from 2¼ minutes for some of the slow speed plates to 11¼ minutes for some of the rapid (exposure speed) plates.

1921 Camera (Philadelphia) 25 799 (advt.) Haloid Kalo, a new slow speed paper for Amateur Finishing is the latest addition to the line of Haloid Photographic Papers.

1980 Redbook Oct. G12/2 Slow-speed film lets you get good pictures even on a sun-drenched sandy beach or glistening ski slope.

2005 Gazette (Montreal) (Nexis) 24 Apr. (Final ed.) b8 When shooting a landscape, choose slow-speed film for good-quality images.

This entry has been updated (OED Third Edition, June 2021; most recently modified version published online March 2022).

单词	slow-speed
释义	slow-speedadj. Brit. /ˈsləʊˌspiːd/, U.S. /ˈsloʊˌspid/ Origin: Formed within English, by compounding. Etymons: slow adj., speed n. Etymology: < slow adj. + speed n. 1. Operating, or designed to operate, at a low speed of motion, transmission, etc. ΚΠ 1869 Sci. Amer. 12 June 372/2 From ¹/ ₂₀ to ¹/ ₃₀ of the area of the piston for slow speed engines. 1904 T. H. White Petrol Motors & Motor Cars ii. 108 When applied to an automobile, it is usual to make the reversing gear of a similar design to the slow-speed forward gear. 1948 Proc. Symp. Large-scale Digital Calculating Machinery 1947 267 This paper is concerned with the transfer of information between a slow-speed external memory, such as magnetic wire, and a high-speed internal memory operating at microsecond speeds, such as acoustic delay lines or electrostatic storage tubes. 2019 @maegodhavemercy 23 Oct. in twitter.com (accessed 3 June 2020) I wanted to have a single slow-speed motor running the whole thing, which would drive a single shaft, instead of a bunch of individual motors. 2. Of photographic materials: reacting slowly to light (see slow adj. 13b). ΚΠ 1909 Photogr. Jrnl. Nov. 369 These times (for 60° F. with my standard time developer) vary from 2¼ minutes for some of the slow speed plates to 11¼ minutes for some of the rapid (exposure speed) plates. 1921 Camera (Philadelphia) 25 799 (advt.) Haloid Kalo, a new slow speed paper for Amateur Finishing is the latest addition to the line of Haloid Photographic Papers. 1980 Redbook Oct. G12/2 Slow-speed film lets you get good pictures even on a sun-drenched sandy beach or glistening ski slope. 2005 Gazette (Montreal) (Nexis) 24 Apr. (Final ed.) b8 When shooting a landscape, choose slow-speed film for good-quality images. This entry has been updated (OED Third Edition, June 2021; most recently modified version published online March 2022). < adj.1869
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