olemus
(a) seade mingi aine püüdmiseks vedeliku- või gaasivoolust
Wiktionary:
4. (architecture, engineering) a device to trap, remove, or separate deleterious, hazardous, or undesirable matter (such as oil, grease, gasoline, sand, and sediment) from normal waste conveyed through it, permitting normal sewage or liquid wastes to discharge into the disposal terminal by gravity

mud interceptor -- mudapüüdur
oil interceptor -- õlipüüdur
sand interceptor -- liivapüüdur

(b) liik sõjatehnikat
Wiktionary:
2. A fast, maneuverable fighter aircraft designed to intercept and destroy enemy aircraft before they can attack.
3. A guided missile designed to intercept and destroy enemy missiles.

püüdurlaev
https://wiki.eveuniversity.org/Interceptors
püüdurlennuk
https://en.wikipedia.org/wiki/Interceptor_aircraft
püüdurrakett
https://en.wikipedia.org/wiki/Anti-ballistic_missile

vt ka
- energiapüüdur