(l) (something which restricts the diameter of the light path through one plane in an optical system)
(l): the muscle between thorax and abdomen needed for breething.
(syn)
diaphragm
(RQ:izh:Loonnontiito-2:1937)
diaphragm (gloss)
diaphragm (gloss)
to diaphragm
(es-verb form of)