heavy rail
A term generally applied to main-line railways, but this varies from country to countryA term generally applied to main-line railways, but this varies from country to country. It has no relation to the weight of the rails used.
Meaning
1 senses(uncountable)A term generally applied to main-line railways, but this varies from country to country. It has no relation to the weight of the rails used.
Antonyms
1 antonymsLessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable