The Apache Software Foundation (current) Coreutils Musical syntax Piano Concerto No. 1 (Saint-Saëns) Paraguayan Sign Language Springtime (Claude Monet) New American Library Positive operator Fibonacci number Ultrastructure Real-time Transport Protocol Column vector Process state Hare Ribbin' Merwin Coad Probation (workplace) Silence compression Afropithecus Adolph Gottlieb World Book Dictionary Counterexamples in Topology Credit Accumulation and Transfer Scheme Department of Defense Dictionary of Military and Associated Terms RTOS Predicate (grammar)