(card game) A four-card hand containing one card of each suit in the game of primero; the opposite of a flush in poker.
(backgammon) Six consecutiveblocks, which prevent the opponent's pieces from passing.
The symbol ′ used to indicate feet, minutes, derivation and other measures and mathematical operations.
(chemistry) Any number expressing the combining weight or equivalent of any particular element; so called because these numbers were respectively reduced to their lowest relative terms on the fixed standard of hydrogen as 1.
“That is because quick and dirty techniques for testing primality already exist.”
“Instead, mathematicians turn to other, indirect, methods that can test for primality without factorisation.”
“However, if Dr Agrawal's primality test can be extended to factoring numbers, it would mean a rejigging of modern cryptography.”
primarying
(politics) A challenge to an incumbent office-holder in a party primary. Usually used only of a challenge that has either succeeded, or is thought to have a reasonable chance of success.