Alternative form of sticky-backed plastic

simple past tense and past participle of knock back

Third-person singular simple present indicative form of knock back

present participle of knock back

(idiomatic) sequential or consecutive, in the case of exactly three events.

plural of backing band

of, or related to, coming back to school after a vacation or break

(astronomy) The universe's background particle radiation composed of neutrinos.

All the accumulated radiation in the universe due to star formation processes, plus a contribution from active galactic nuclei (AGNs).

plural of backfire effect