See under Klystron.
a brand name for a vacuum tube containing an electron gun, a resonator that changes the velocity of the electron beam in accordance with a signal (buncher resonator) a drift tube in which the electron velocity does not change, another resonator that abstracts energy from the electron beam (catcher resonator) and an electrode that collects the electrons (collector electrode) It has several ultra-high-frequency applications.
Compare resonator (def 4).
an electron tube for the amplification or generation of microwaves by means of velocity modulation
any of various plants, especially of the genera Silene and Lychnis, having a viscid secretion on the stem and calyx in which small insects are sometimes caught. Historical Examples They are found on many plants, such as Salvia glutinosa, Plumbago, and catchfly. The Romance of Plant Life G. F. Scott Elliot A catchfly which is […]
pleasing and easily remembered: a catchy tune. likely to attract interest or attention: a catchy title for a movie. tricky; deceptive: a catchy question. occurring in snatches; fitful: a catchy wind. Contemporary Examples The song is tolerable, catchy even, but aperitifs should be required when viewing this video. Eurovision’s 7 Weirdest Performances Alex Berg May […]
tending to be transmitted from one person to another; contagious or infectious: a disease that is catching; His enthusiasm is catching. attractive; fascinating; captivating; alluring: a catching personality. to seize or capture, especially after pursuit: to catch a criminal; to catch a runaway horse. to trap or ensnare: to catch a fish. to intercept and […]
- Catching pen
noun (Austral & NZ) a pen adjacent to a shearer’s stand containing the sheep ready for shearing