aperture

Fetched 2026-10-26 (cache).

Synonyms: apertura, aperature, overture, perturb, perjure, apertive, perdure, apertural, perature, apertures, aventure

Antonyms: apertura, aperature, overture, perturb, perjure, apertive, perdure, apertural, perature, apertures, aventure

Related words from Datamuse; suggestions, not definitions.

Noun

1. A small or [[narrow]] [[opening]], [[gap]], [[slit]], or [[hole]].
2. {{lb|en|optics}} A [[hole]] which [[restrict]]s the [[diameter]] of the [[lightpath]] through one [[plane]] in an [[optical]] system.
3. {{lb|en|spaceflight|communications}} The (typically) large-[[diameter]] [[antenna]] used for [[receive|receiving]] and [[transmit]]ting [[radio frequency]] energy containing the data used in [[communication]] [[satellite]]s, especially in the [[geostationary]] belt. For a [[comsat]], this is typically a large [[reflective]] [[dish antenna]]; sometimes called an [[array]].
4. {{lb|en|mathematics|rare|of a [[right]] [[circular]] [[cone]]}} The [[maximum]] [[angle]] between the two [[generatrix|generatrices]].

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.