All 6 Uses of

preserve
in
Brave New World

…. continued with some account of the technique for preserving the excised ovary alive and actively developing; passed on to a consideration of optimum temperature, salinity, viscosity; referred to the liquor in which the detached and ripened eggs were kept;
p. 5.5

preserving = keeping

No pains have been spared to make your lives emotionally easy–to preserve you, so far as that is possible, from having emotions at all.
p. 44.3 *

preserve = protect or keep

"I don't understand anything," she said with decision, determined to preserve her incomprehension intact.
p. 92.0

preserve = keep

… absolute savages … our inspectors occasionally visit … otherwise, no communication whatever with the civilized world … still preserve their repulsive habits and customs …
p. 103.1

When, discomfited, he came and asked once more for the friendship which, in his prosperity, he had not thought it worth his while to preserve.†
p. 179.9

Definitions:

(1) (preserve as in: preserve the records)
to protect something or to keep it as it is
(2) (preserve as in: preserve the peaches)
to prepare food in a way that keeps it from spoiling
(3) (preserve as in: a wildlife preserve)
protected wildlife area
(4) (preserve as in: no longer a male preserve)
something exclusive to (someone or some group) -- such as an activity or place
(5) (preserves as in: mom made preserves)
chunks of fruit cooked with sugar (like jam) and sealed (usually in a mason jar) so it will not spoil