semirigid

[ sem-ee-rij-id, sem-ahy- ]
/ ˌsɛm iˈrɪdʒ ɪd, ˌsɛm aɪ- /

adjective

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.

Origin of semirigid

First recorded in 1905–10; semi- + rigid

Example sentences from the Web for semirigid

British Dictionary definitions for semirigid

semirigid
/ (ˌsɛmɪˈrɪdʒɪd) /

adjective

partly but not wholly rigid
(of an airship) maintaining shape by means of a main supporting keel and internal gas pressure