Fromsemi- +‎grand.

semigrand (notcomparable)

1. (music) Of apiano: having asizeintermediate betweengrand andbaby grand.
   • 1906 January–October,Joseph Conrad, chapter IV, inThe Secret Agent: A Simple Tale (Collection of British Authors;3995), copyright edition, London:Bernhard Tauchnitz, published1907,→OCLC,page64:

     An uprightsemi-grand piano near the door, flanked by two palms in pots, executed suddenly all by itself a valse tune with aggressive virtuosity.

   • 1910,The Oriental Economic Review, volume 1, page394:

     Both companies make the upright, grand,semigrand, and baby-grand pianos, and in such styles as colonial, empire, antique, etc.

2. (physics) Pertaining to adistribution ofspecies thatholds thenumber ofparticles,pressure, andtemperaturefixed butallowsmolefractions of species within aphase tofluctuate.
   • 2015, Wojciech T. Góźdź, Alina Ciach, “Critical Point Calculation for Binary Mixtures of Symmetric Non-additive Hard Disks”, inarXiv‎^[1]:

     A cluster algorithm for Monte Carlo simulations in asemigrand ensemble was used.

• dreamings,dreamsign,ganderism,gasdermin,midranges

• English terms prefixed with semi-
• English lemmas
• English adjectives
• English uncomparable adjectives
• en:Music
• English terms with quotations
• en:Physics

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