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Tube | Define Tube at Dictionary.comwww.dictionary.com/browse/tubeTube definition, a hollow, usually cylindrical body of metal, glass, rubber, or other material, used especially for conveying or containing liquids or gases. See more.

Tube definition, a hollow, usually cylindrical body of metal, glass, rubber, or other material, used especially for conveying or containing liquids or gases. See more.
www.dictionary.com/browse/tube

SchoolTube - Official Sitewww.schooltube.comSchoolTube is the best source for videos from students and teachers everywhere. Endorsed by leading educational organizations.

SchoolTube is the best source for videos from students and teachers everywhere. Endorsed by leading educational organizations.
www.schooltube.com

TeacherTube - Official Sitewww.teachertube.comA free community for sharing instructional videos and content for teachers and students. We are an education focused, safe venue for teachers, schools, and home learners.

A free community for sharing instructional videos and content for teachers and students. We are an education focused, safe venue for teachers, schools, and home learners.
www.teachertube.com