تلفظ بین المللی : /kɹˈʊks tjˈuːb/ تلفظ : [kr'Uks tj'u:b]
English
Belonging, or affected by, anasarca, or dropsy; dropsical. Wiseman.
A vacuum tube in which the exhaustion is carried to a
very high degree, with the production of a distinct class of effects;
-- so called from W. Crookes who introduced it.
