Noun

(en noun)

(astronomy) An alignment of astronomical objects in which a planetary object (for example, the Moon) comes between the Sun and another planetary object (for example, the Earth), resulting in a shadow being cast by the middle planetary object onto the other planetary object.

A seasonal state of plumage in some birds, notably ducks, adopted temporarily after the breeding season and characterised by a dull and scruffy appearance.

, decline, downfall

* , ''A Dictionary of the English Language , Volume 2, unnumbered page,

All the posterity of our first parents suffered a perpetual eclipse of spiritual life.

* 1820', '', '''1839 , ''The Poetical Works of Percy Bysshe Shelley , page 340,

As in the soft and sweet eclipse , / When soul meets soul on lovers' lips.

* 1929 , , (A House is Built) , Chapter VIII, Section ii

Nor were the wool prospects much better. The industry of the colony, was threatened once more with eclipse .

Noun

(en noun)

The act of reflecting or the state of being reflected.

The property of a propagated wave being thrown back from a surface (such as a mirror).

Something, such as an image, that is reflected.

(senseid) Careful thought or consideration.

*{{quote-book, year=1959, author=(Georgette Heyer), title=(The Unknown Ajax), chapter=1

, passage=But Richmond, his grandfather's darling, after one thoughtful glance cast under his lashes at that uncompromising countenance appeared to lose himself in his own reflections .}}

An implied criticism.

(label) The process or mechanism of determining the capabilities of an object at run-time.