All 7 Uses of
frontier
in
Childhood's End
- Along the frontiers that would soon be gone forever the guards had been doubled —but the soldiers eyed each other with a still inarticulate friendliness.†
Chpt 3
- He had long suspected the existence of an extremist movement inside-or on the frontiers of-the Freedom League.†
Chpt 3
- There were plenty of technologists, but few original workers extending the frontiers of human knowledge.†
Chpt 6 *
- They were the frontier posts, as Jan could see from the charts, of a wide plain which lay at too great a depth for the scanners to reach.†
Chpt 11
- Too hot to be white, it was a searing ghost at the frontiers of the ultra-violet, burning its planets with radiations which would be instantly lethal to all earthly forms of life.†
Chpt 18
- I think that aurora was only a by-product of whatever energies are being released up there on the frontier of space.†
Chpt 24
- The ship was leaving the frontiers of the Solar System: the energies that powered the Stardrive were ebbing fast, but they had done their work.†
Chpt 24
Definition:
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(frontier as in: the frontier of brain science) the most recent understandings and achievements in a changing field