Dictionary > Ecliptic


1. (Science: astronomy) a great circle of the celestial sphere, making an angle with the equinoctial of about 23 deg 28′. It is the apparent path of the sun, or the real path of the earth as seen from the sun.
2. (Science: geography) a great circle drawn on a terrestrial globe, making an angle of 23 deg 28′ with the equator; used for illustrating and solving astronomical problems.
Origin: cf. F. Ecliptique, L. Linea ecliptica, gr, prop. Adj, of an eclipse, because in this circle eclipses of the sun and moon take place. See ecliptic.
1. Pertaining to the ecliptic; as, the ecliptic way.
2. Pertaining to an eclipse or to eclipses.
(Science: astronomy) lunar ecliptic limit, the space of 12 deg on the moons orbit from the node, within which, if the moon happens to be at full, it will be eclipsed. Solar ecliptic limit, the space of 17 deg from the lunar node, within which, if a conjunction of the sun and moon occur, the sun will be eclipsed.
Origin: L. Eclipticus belonging to an eclipse, gr. See eclipse.

You will also like...

An artistic depiction of a human embryo
Growth and Development of a Human Baby

Upon fertilization, a zygote forms and develops into an embryo. This tutorial elaborates on the growth and development f..

Primitive Animals

Life, as we know it today, is presumed to have started in the sea and many of them were likely eukaryotic animal-like or..

The Dinosaurs

Dinosaurs represented a major turn in the evolutionary development of organisms on Earth. The first dinosaurs were presu..

Freshwater Ecology
Freshwater Ecology

Freshwater ecology focuses on the relations of aquatic organisms to their freshwater habitats. There are two forms of co..

Structural depiction of catalase, an enzyme
Protein Activity and Cellular Metabolism

Proteins have a crucial role in various biological activities. Get to know how proteins are able to perform as enzymes, ..

Consciousness and behavior
Consciousness and Behavior

Human consciousness and behavior are an interesting topic since they are determined and controlled by the brain. Conscio..