The ratio of an object's longest dimension to its next-longest dimension. / The ratio of width to height in a flat surface or 2-dimensional abstract construction, such as an image, character, or pixel.

(grammar) A subclass of perfective verbs that denotes a momentary or punctiliar action (e.g., to sneeze, to blink).

(grammar) A feature of the verb which denotes viewing the event the verb describes as a completed whole, rather than from within the event as it unfolds. For example, "she sat down" as opposed to "she was sitting down". Since the focus is on the completion of what is expressed by the verb, this aspect is generally associated with the past and future tenses. This term is often used interchangeably with aorist aspect. This is not to be confused with the perfect tense.

(grammar) A feature of the verb which specifies an action as occurring habitually, usually, ordinarily, or customarily

(rail transport) The visual appearance of a railway signal

plural of habitual aspect

(linguistics) A grammatical aspect that expresses the dynamic quality of actions that are in progress.

plural of signal aspect

plural of semelfactive aspect

(linguistics) A grammatical aspect that expresses the state of the subject that is continuing the action.