plural of Debye sphere

(archaic) unmoved; motionless; at rest / (archaic) Unchanged; unaltered; unaffected.

(Americas) Sedges in the genera Bolboschoenus or Schoenoplectus (formerly considered Scirpus), having clusters of spikelets. / (UK) Cattails or reedmace, in the genus Typha

A videoscope used in bronchovideoscopy