desideratum

If health is a desideratum, one way to attain a lot of it is to cut out the booze.

An appearance of antiquity is never a desideratum to the honest book-collector.

A revision of genus Cratægus has long been a desideratum with botanists.

For in that summery clime shade, not sun, is the desideratum.

There is no sentiment in botany or in chemistry, and in them the desideratum is truth.

Henryson (Robert), a complete edition of his poems a desideratum, 38.

Douglas (Gawyn), a complete edition of his works a desideratum, 38.

How to do something, and still not do too much, is the desideratum.

This desideratum of varied tone-colour is sought even by instrumentalists.

A thoroughly faithful yet pleasing rendering is a desideratum.