not fully rigid; partly rigid.
Aeronautics. noting or pertaining to a type of airship whose shape is maintained by means of a rigid keellike structure and by internal gas pressure.
partly but not wholly rigid
(of an airship) maintaining shape by means of a main supporting keel and internal gas pressure
adjective 1. having one surface that is round and another that is flat.
adjective 1. of, relating to, or characteristic of the country, country life, or country people; rustic: rural tranquillity. 2. living in the country: the rural population. 3. of or relating to agriculture: rural economy. noun 4. a person who lives in a rural area. adjective 1. of, relating to, or characteristic of the country or […]
noun 1. a copper coin of ancient Rome, the half part of an as. noun, Informal. 1. semitrailer (def 1). 2. Often, semis. semifinal (def 3). noun (pl) semis 1. (Brit) a semidetached house 2. short for semifinal 3. (US & Canadian, Austral & NZ) short for semitrailer semi 1. semifinal 2. semitrailer SEMI subendocardial […]
adjective 1. having some seriousness; partly serious.