(historical) Official name of South Vietnam.

Synonym of zodiac sign

plural of sign of the zodiac

(number theory) the theorem that states that every integer greater than one is uniquely expressible as a product of prime numbers, which is called its prime factorization

The official name of Benin.

plural of altar of repose

(Christianity) An altar where the communion hosts consecrated on Maundy Thursday during the Mass of the Lord's Supper are placed, or "reserved", for use on Good Friday.

Alternative form of in trouble

(idiomatic)

Of cooked meat; very tender so that it does not remain attached to the bone.