Abdominal muscle.

An abscess caused by injecting an illegal drug, usually heroin.

To abseil.

The early stages of; the beginning process; the start.

(now rare outside medicine) To miscarry; to bring forth (non-living) offspring prematurely.

To cause a premature termination of (a fetus); to end a pregnancy before term.

To end prematurely; to stop in the preliminary stages; to turn back.

To stop or fail at something in the preliminary stages.

To become checked in normal development, so as either to remain rudimentary or shrink away wholly; to cease organic growth before maturation; to become sterile.

To cause an organism to develop minimally; to cause rudimentary development to happen; to prevent maturation.

To abandon a mission at any point after the beginning of the mission and prior to its completion.

To terminate a mission involving a missile or rocket; to destroy a missile or rocket prematurely.

To terminate a process prior to completion.

Initialism of absolute value function.

Thermodynamic temperature; temperature measured on an absolute scale such as the Kelvin scale.

Derived; extracted.

Drawn away; removed from; apart from; separate.

Not concrete: conceptual, ideal.

Difficult to understand; abstruse; hard to conceptualize.

Separately expressing a property or attribute of an object that is considered to be inherent to that object: attributive, ascriptive.

Pertaining comprehensively to, or representing, a class or group of objects, as opposed to any specific object; considered apart from any application to a particular object: general, generic, nonspecific; representational.

Absent-minded.

Pertaining to the formal aspect of art, such as the lines, colors, shapes, and the relationships among them.

Insufficiently factual.

Apart from practice or reality; vague; theoretical; impersonal; not applied.

(grammar) As a noun, denoting an intangible as opposed to an object, place, or person.

Of a class in object-oriented programming, being a partial basis for subclasses rather than a complete template for objects.