annular halqevâr, halqe-yi Fr.: annulaire Having the form of a → ring. From Fr. annulaire or directly from L. annularis "pertaining to a ring," from annulus, diminutive of anus "ring." Halge-yi, halqevâr, adj. from halqé, → ring. |
annular eclipse xorgereft-e halqevâr Fr.: éclipse annulaire A solar eclipse in which the Moon is close the → apogee and is, therefore, too small to cover the whole disk of the Sun, leaving a visible edge or ring of sunlight. An annular eclipse can last for 12m 30s at the most. See also → total eclipse. |
annular-total eclipse xorgereft-e halqevâr-hamâk Fr.: éclipse annulaire-totale A solar eclipse that has both annular and total phases. Same as → hybrid eclipse. |
annularity halqevâri Fr.: annularité The maximum phase of an → annular eclipse during which the Moon's entire disk is seen silhouetted against the Sun. Annularity is the period between second and → third contact during an annular eclipse. It can last from a fraction of a second to a maximum of 12 minutes 29 seconds (F. Espenak, NASA). |