reagent
— Noun
– English
~ a chemical agent for use in chemical reactions
reagin
— Noun
– English
~ an immunoglobulin E that is formed as an antibody against allergens (such as pollen); attaches to cell membranes causing the release of histamine and other substances responsible for the local inflammation characteristic of an allergy
real
— Noun
– English
~ any rational or irrational number
real estate
— Noun
– English
~ property consisting of houses and land
real life
— Noun
– English
~ the practical world as opposed to the academic world; "a good consultant must have a lot of experience in the real world"
real presence
— Noun
– English
~ (Christianity) the Christian doctrine that the body of Christ is actually present in the Eucharist
Real IRA
— Noun
– English
~ a radical terrorist group that broke away in 1997 when the mainstream Provisional IRA proposed a cease-fire; has continued terrorist activities in opposition to any peace agreement