helper grade
helper grade noun: a railroad gradient where helper locomotives are required to assist the train locomotives.
Noun
helper grade (plural helper grades)
- A railroad gradient where helper locomotives are required to assist the train locomotives.
- On February 5-6, 1960, this westbound train made its run in 25 hr. 40 min. despite falling temperatures, fog, rain, sleet and snow; a 1 in 54 helper grade to the summit of the Alleghenies; and a load of 55 cars carrying 100 trailers for a gross tonnage of 3,856 tons.1960 November, David Morgan, “"Piggyback"—U.S. success story”, in Trains Illustrated, page 684
Forms of helper grade
| plural | helper grades |
|---|
Questions about helper grade
- What does helper grade mean?
- Helper grade means a railroad gradient where helper locomotives are required to assist the train locomotives.
- What part of speech is helper grade?
- Helper grade is a noun.
- What is the plural of helper grade?
- The plural of helper grade is helper grades.
Words near helper grade in the dictionary
Source and license
Adapted from Wiktionary: helper grade (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
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