semigrand

semi- +‎ grand

semigrand (not comparable)

1. (music) Of a piano: having a size intermediate between grand and baby grand.
   • 1906 January–October, Joseph Conrad, chapter IV, in The Secret Agent: A Simple Tale, London: Methuen & Co., […], published 1907, →OCLC; The Secret Agent: A Simple Tale (Collection of British Authors; 3995), copyright edition, Leipzig: Bernhard Tauchnitz, 1907, →OCLC, page 64:

     An upright semi-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, page 394:

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

2. (physics) Pertaining to a distribution of species that holds the number of particles, pressure, and temperature fixed but allows mole fractions of species within a phase to fluctuate.
   • 2015, Wojciech T. Góźdź, Alina Ciach, “Critical Point Calculation for Binary Mixtures of Symmetric Non-additive Hard Disks”, in arXiv‎:

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

• dreamings, dreamsign, ganderism, gasdermin, midranges