Augmented

Augmented is the past participle of augment, from the Latin augmentare meaning to increase. As an adjective, augmented describes something made larger, greater, or more complete by addition or enhancement. The word is widely used across disciplines and in general language to indicate improvement or growth.

In everyday usage, augmented can refer to enhancements to capabilities, sensory experiences, or data. It is also used in reference to augmented reality, a technology that overlays digital content onto the real world through devices such as smartphones or headsets.

In mathematics and computer science, augmented has technical meanings. An augmented matrix [A|b] represents a linear system by appending a column of constants to a coefficient matrix. Data augmentation in machine learning refers to techniques that expand a dataset by transforming existing samples to improve model performance.

In linguistics, augment denotes a historical grammatical marker used in some Indo-European languages to indicate past tense, typically appearing as an initial syllable or particle. The augmented form is used to discuss these past-tense markers, notably in Greek grammar and studies of Proto-Indo-European.

In music theory, augmented describes intervals and triads widened by a semitone, such as the augmented fifth, and is used to denote altered harmony that differs from the standard major or perfect forms.

The meaning of augmented is context-dependent; it generally conveys addition or enhancement and is used across fields to indicate that something has been increased or expanded.