rigid framework
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rigid — [rij′id] adj. [L rigidus < rigere, to be stiff, numb < IE base * (s)rig , cold > FRIGID] 1. not bending or flexible; stiff and hard [a rigid metal girder] 2. not moving; set 3. severe; strict; exacting [a rigid taskmaster] 4 … English World dictionary
rigid — adjective 1 rigid methods, systems etc are very strict and difficult to change: Betty s finding it hard to keep to the school s rigid rules. | the rigid discipline of army life 2 someone who is rigid is very unwilling to change their ideas: He s… … Longman dictionary of contemporary English
rigid airship — A type of dirigible that has a rigid framework to maintain its shape at all times. See airship … Aviation dictionary
Rigid Unit Modes — (RUMs) represent a class of lattice vibrations or phonons that exist in network materials such as quartz, cristobalite or zirconium tungstate. Network materials can be described as three dimensional networks of polyhedral groups of atoms such as… … Wikipedia
framework — [frām′wʉrk΄] n. 1. a structure, usually rigid, serving to hold the parts of something together or to support something constructed or stretched over or around it 2. the basic structure, arrangement, or system 3. FRAME OF REFERENCE (sense 2) … English World dictionary
Rigid airship — A rigid airship was a type of airship in which the envelope retained its shape by the use of an internal structural framework rather than by being forced into shape by the pressure of the lifting gas within the envelope as used in blimps and semi … Wikipedia
rigid — adjective Etymology: Middle English rigide, from Latin rigidus, from rigēre to be stiff Date: 15th century 1. a. deficient in or devoid of flexibility < rigid price controls > < a rigid bar of metal > b. appearing stiff and unyielding < his face… … New Collegiate Dictionary
framework — noun (C) 1 the main supporting parts of a building, vehicle, or object: airships with a rigid metal framework 2 a set of facts, ideas etc from which more complicated ideas are developed, or on which decisions are based (+ of): a framework of… … Longman dictionary of contemporary English
dictyonal framework — (PORIFERA) Spicules fused together into a rigid framework … Dictionary of invertebrate zoology
Semi-rigid airship — Semi rigid airships are airships with a partial framework. These often consist of a rigid, occasionally flexible, keel frame along the long axis under the aerodynamic hull envelope. The partial framework can also be inside the hull. Semi rigids… … Wikipedia
Covalent organic framework — The design and synthesis of crystalline extended organic structures in which the building blocks are linked by strong covalent bonds are core concepts of covalent organic frameworks (COFs). COFs are porous, and crystalline, and made entirely from … Wikipedia
