automatic train control
Word Rarity
Uncommon
Frequency: Zipf frequency 4.23 in modern English
27
Scrabble Score
21
Letters
7
Syllables
10
Unique Chars
Meaning
noun
A train protection system that involves a speed control mechanism in response to external inputs. For example, a system could effect an emergency brake application if the driver does not react to a signal at danger.
Uncountable