English word aperturate comes from English aperture, English -ule ((rare, scientific) Diminutive suffix.)
Dictionary entry | Language | Definition |
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aperture | English (eng) | (astronomy, photography) The diameter of the aperture (in the sense above) which restricts the width of the light path through the whole system. For a telescope, this is the diameter of the objective lens.. (mathematics, rare, of a right circular cone) The maximum angle between the two generatrices.. (optics) Something which restricts the diameter of the light path through one plane in an [...] |
-ule | English (eng) | (rare, scientific) Diminutive suffix. |
aperturate | English (eng) | (palynology, of a pollen grain) Having one or more apertures. |