plural of water telescope

An adjustable travelling bag consisting of two cases, the larger slipping over the other.

plural of telescope bag

plural of teleseme

(dated) A system of apparatus for electric signals providing for automatic transmission of a number of predetermined signals or calls, as in connection with hotel annunciators.

plural of teleseism

A seismic movement or shock far from the recording instrument

plural of telescopy

plural of X-ray telescope

plural of optical telescope