Je was op zoek naar: vidriosidad (Spaans - Engels)

vidriosidad de las manzanas
water core of apples

exentas de vidriosidad grave, salvo en la variedad fuji y sus mutaciones,
free from serious watercore, with the exception of fuji and their mutants,

esto puede explicarse, bien por recelar stalin hallarse en desacuerdo con los otros, o bien por haberle molestado que no aceptasen su artículo sobre las nacionalidades: la vidriosidad y el capricho eran condiciones tan suyas como la cautela.
that might be explained either by stalin’s apprehension that he would not be in tune with the others or by his annoyance at his failure to place his article on nationalities: touchiness and capriciousness were just as much a part of him as cautiousness.