(adj-na) (uk) rare
seldom
(P)
(n,vs) dilution
(n) rare book
(adj-na,n) scarce
rare
(n) rare
uncommon
(n,adj-no) rarity
uncommonness
(n,adj-no) rarity
uncommonness
(oK) (n) rare earth
(adj-na,n) thin (e.g. air)
lean
rarified
diluted
sparse
weak
rarefied
(adj-na,n) rare
uncommon
(n) seventieth birthday
70th birthday
(adj-na) unique
rare
exceptional
unparalleled
incomparable
(n) noble gas
(n) dilute hydrochloric aci
(n) rare decay (particle physics)
(n) dilute sulfuric acid
dilute sulphuric acid
(n) rare book
(adj-na) unique
rare
exceptional
unparalleled
incomparable