(astrology, obsolete) Subject to a particular planetary aspect. / Having a (specified) aspect.

(art) The techniques that make art aspective as opposed to perspective.

(philosophy, theology) Reflecting one or more aspects, usually of a unified whole, as opposed to a heterogenous entity composed of qualitatively different parts.

(grammar) A subclass of imperfective verbs that denotes a continuously repeated action. An example in English would be the frequentative verb "to crackle," as opposed to the nonfrequentative "to crack."

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 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 a verb which denotes that its action or condition does not have a fixed temporal boundary, but is habitual, unfinished, continuous, repetitive or in progress.

(grammar) A temporal feature of the verb which denotes the speaker's standpoint of the event described by the verb, as from outside of the event and seeing it as a completed whole.

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

(grammar) A subclass of imperfective verbs that denote a continuously repeated action. An example in English would be the iterative verb sniffle, as opposed to the noniterative sniff.