What is another word for rigid airship?
Pronunciation: [ɹˈɪd͡ʒɪd ˈe͡əʃɪp] (IPA) 
A rigid airship is a type of aircraft that has a rigid framework or structure which holds its shape even when not filled with gas. Some synonyms for rigid airship include dirigible, zeppelin, and airship. These terms are often used interchangeably when describing this type of aircraft. However, the term dirigible specifically refers to airships that can be directed or steered while zeppelin originally referred to a specific type of rigid airship developed by the German company, Luftschiffbau Zeppelin. Other synonyms for rigid airship include blimp which is a non-rigid airship with a more flexible structure and a semi-rigid airship which has a partially rigid structure but is more maneuverable than a fully rigid airship.
