Word.ws English Dictionary

APL

APL is the initialism of acute promyelocytic leukemia.

APL is the initialism of assistant patrol leader.

APL is the initialism of Applied Physics Laboratory.

APL is the initialism of Adaptive Public License.

APL is the initialism of AROS Public License.

Proper noun

APL

  1. An early programming language using mathematically derived symbols for many of its operations.
    • The language APL presents a number of novel problems for a compiler writer: weak variable typing, run time changes in variable shape, and a host of primitive operations, among others.1988, Timothy Budd, An APL Compiler, Springer, →ISBN, page 1

Noun capitalized: aPL

aPL (plural aPLs)

  1. (abbreviation) Abbreviation of antiphospholipid antibody.

Synonyms of APL

Forms of APL

pluralAPLs
pluralaPLs

Origin of APL

(computer language): From the book A Programming Language (1962).

Words formed from APL

Questions about APL

What does APL mean?
APL means an early programming language using mathematically derived symbols for many of its operations.
What is APL the initialism of?
APL is the initialism of acute promyelocytic leukemia.
What part of speech is APL?
APL can be a proper noun or a noun.

Words near APL in the dictionary

  1. apizzas
  2. apjohnite
  3. APK
  4. apkallu
  5. apkallus
  6. APL
  7. aplacental
  8. aplacophoran
  9. aplacophorans
  10. aplanat
  11. aplanatic

Source and license

Adapted from Wiktionary: APL (page history and authors); aPL (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “APL.” Word.ws, https://word.ws/apl. Based on Wiktionary, CC BY-SA 4.0.