the lowest throw at dice, the double ace.
bad luck; misfortune.
the smallest amount or distance.
double ace, the lowest throw at dice
- Ambu bag
ambu bag Ambu bag Am·bu bag (ām’byōō) A trademark used for a self-reinflating bag used during resuscitation.
one of the radial areas in an echinoderm, as the sea urchin, bearing the tube feet by which the creature moves. noun (pl) -ra (-rə) any of five radial bands on the ventral surface of echinoderms, such as the starfish and sea urchin, on which the tube feet are situated
one of the radial areas in an echinoderm, as the sea urchin, bearing the tube feet by which the creature moves. Historical Examples The ambulacral zones are depressed, leaving prominent elevations which make a very conspicuous figure on the top. The Sea-beach at Ebb-tide Augusta Foote Arnold ambulacral zones: The five areas containing the rows […]
a specially equipped motor vehicle, airplane, ship, etc., for carrying sick or injured people, usually to a hospital. (formerly) a field hospital. Contemporary Examples Only when she was taken out of the car and stretched out in the ambulance did the tear in a vein near her heart open wide. The Night Princess Diana Died […]