noun Download 🔗Share A count backward in fixed units to the time of some event, especially the launch of a space vehicle. Examples : "The class watched the countdown on the screen as the model rocket prepared for launch. " time technology space astronomy event Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share The acts of preparation carried out during this period. Examples : "During the launch countdown, engineers checked all the systems. " action time event process Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A radio or television program counting down the top songs of a given week, usually in reverse order ending with the No. 1. Examples : "The radio station's weekly countdown of the top songs was always a highlight of my commute. " media entertainment music number Chat with AIVocabulary GamePractice Reading
verb Download 🔗Share To count down. Examples : "We will countdown from ten to launch the model rocket. " time number action Chat with AIVocabulary GamePractice Reading
