aperture
nounEtymology
From late Middle English, from Latin apertūra (“an opening”), from aperiō (“to uncover, make or lay bare”) + -tūra (“-ure”, action noun suffix). Doublet of overture and apertura.
- derived from apertūra
Definitions
A small or narrow opening, gap, slit, or hole.
- an aperture in a wall
- In the centre of the fleshy membrane is an aperture leading into a deep cavity, at the bottom of which is placed a prominent piston that may be retracted by muscular fibres provided for the purpose.
A hole which restricts the diameter of the lightpath through one plane in an optical…
A hole which restricts the diameter of the lightpath through one plane in an optical system.
The (typically) large-diameter antenna used for receiving and transmitting radio…
The (typically) large-diameter antenna used for receiving and transmitting radio frequency energy containing the data used in communication satellites, especially in the geostationary belt. For a comsat, this is typically a large reflective dish antenna; sometimes called an array.
›+ 1 more definitionshow fewer
The maximum angle between the two generatrices.
- If the generatrix makes an angle θ to the axis, then the aperture is 2θ.
The neighborhood
Vish — recursive loop
A definitional loop anchored at aperture. Each word in the ring is defined by the next; follow the chain far enough and it folds back on itself. Scroll to it and watch.
A definitional loop anchored at aperture. Each word in the ring appears in the definition of the next; follow the chain far enough and it folds back on itself.
9 hops · closes at aperture
curated · pre-corpus. live cycle detection across the full graph is the next major milestone.
sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA