Allocatable – Definition & Meaning

Allocatable is a term that is commonly used in the field of computer science and engineering. It refers to the ability of a computer program or system to allocate resources, such as memory or storage space, as needed. In this article, we will explore the definition and meaning of allocatable, its origin, and its associations in different contexts.


Allocatable can be defined as the ability of a computer program or system to allocate resources dynamically. This means that resources can be allocated as needed, rather than being allocated in advance or in a fixed manner. In programming languages such as Fortran, allocatable refers to a type of variable that can be allocated or deallocated during program execution.


The term allocatable has its roots in the Latin word “allocare,” which means to allocate or assign. The word was first used in the context of computer programming in the 1960s, as programming languages began to incorporate features for dynamic memory allocation.

Meaning in different dictionaries

In the Merriam-Webster dictionary, allocatable is defined as “capable of being allocated.” The Oxford English Dictionary defines it as “able to be assigned or allocated.” In the Cambridge Dictionary, it is defined as “able to be given to someone for their use.”


Allocatable is often associated with computer programming and engineering, as it is a term that is commonly used in these fields. It is also associated with the concept of dynamic resource allocation, which is a key feature of many modern computing systems.


Synonyms for allocatable include assignable, distributable, and apportionable.


Antonyms for allocatable include fixed, predetermined, and static.

The same root words

Other words that share the same root as allocatable include allocate, allocation, and allocator.

Example Sentences

Here are some example sentences that use the term allocatable:

  • The program uses allocatable memory to store data as needed.
  • The system has allocatable storage space that can be used by different applications.
  • The new version of the language includes support for allocatable arrays.
  • The team is working on a new algorithm that uses allocatable resources more efficiently.
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