rockoon

[ rok-oon, ro-koon ]
/ ˈrɒk un, rɒˈkun /

noun

a rocket launched from a balloon at a high altitude.

Origin of rockoon

1950–55; rock(et1) + (ball)oon

Words nearby rockoon

rockingham, rockland, rockledge, rockling, rockne, rockoon, rockrose, rockrose family, rocks in one's head, have, rockshaft, rockumentary

Example sentences from the Web for rockoon

  • I also understand that a rockoon is a combination of a rocket and a balloon.

    The Flying Stingaree |Harold Leland Goodwin

British Dictionary definitions for rockoon

rockoon
/ (rɒˈkuːn) /

noun

a rocket carrying scientific equipment for studying the upper atmosphere, fired from a balloon at high altitude

Word Origin for rockoon

C20: from rocket 1 + balloon