jpdb beta

scarce; rare

dilute; rare

uncommon; rare; extraordinary; matchless

rare; uncommon

thin (e.g. air); diluted; sparse; lacking (e.g. empathy); deficient; insufficient (e.g. zeal)

rare book

scarcity value; rarity value; preciousness

rare; uncommon

70th birthday; ancient Greek (language)

rare

rare book

dilution

unusual; rare

rare sugar

dilute hydrochloric acid

dilute sulfuric acid; dilute sulphuric acid

rare earth

rare-earth element; rare-earth metal

rare earth

noble gas; inert gas

rare element

rare decay

dilute acid